Professor Delwyn G. Fredlund

Research Papers

Compiled December, 2006

1964 1969 1971 1972 1973 1974 1975 1976 1977

1978 1979 1980 1981 1982 1983 1984 1985 1986

1987 1988 1989 1990 1991 1992 1993 1994 1995

1996 1997 1998 1999 2000 2001 2002 2003 2004

2005 2006 2007 2008 2009

CONFERENCE RESEARCH PAPERS (1964) Back to top

Fredlund, D. G. (1964). “Comparison of soil suction and one-dimensional consolidation characteristics of a highly plastic clay”. National Research of Canada Division of Building Research. Technical Paper No. 245 of the Division of Building Research, Ottawa, July.

CONFERENCE RESEARCH PAPERS (1969) Back to top

Fredlund, D. G. (1969). "Consolidometer test procedural factors affecting swell properties”. Proceedings of the Second International Conference on Expansive Soils, Texas A & M, College Station, Texas, pp. 435-456.

Pfafstetter, O. (1969). “Calculation of earth dam stability using a Univac-1105 electronic computer”. Translation by D. G., Fredlund, Proceedings of the Second Panamerican Conference on Soil Mechanics and Foundation Engineering, Brazil, Vol. 1, pp. 475-483.

CONFERENCE RESEARCH PAPERS (1971) Back to top

Amuchoistegui, F. and Fredlund, D. G. (1971) Translation of the Paper, “The influence of negative pore-water pressures on the strength characteristics of compacted soils” by Maranha das Neves, E, National Laboratory of Civil Engineering, Publication No. 386, Brazil.

Fredlund, D. G., and Dahlman, A. E. (1971). "Statistical geotechnical properties of glacial Lake Edmonton sediments”. Proceedings of the First International Conference on Application of Statistics and Probability to Soil and Structural Engineering, Hong Kong, September, pp. 212-228.

JOURNAL RESEARCH PAPERS (1972) Back to top

Krahn, J., and Fredlund, D. G. (1972). "On total, matric and osmotic suction”. Soil Science, 114(5), 339-348.

CONFERENCE RESEARCH PAPERS (1972)

Fredlund, D. G. (1972). “Manual of volume change test procedures for unsaturated soils”. Internal Note: SM 12, August, University of Alberta, Edmonton, AB.

CONFERENCE RESEARCH PAPERS (1973) Back to top

Bergan, A. T., and Fredlund, D. G. (1973). "Characterization of freeze-thaw effects on subgrade soils”. Proceedings of the Symposium on Frost Action on Roads, Organization for Economic Cooperation and Development, Oslo, Norway.

Fredlund, D. G. (1973). "Discussion-Second Technical Session, Division Two (Flow and Shear Strength)”. Proceedings of the Third International Conference on Expansive Soils, Jerusalem Academic Press, Haifa, Israel, Vol. 2, pp. 71-76.

Fredlund, D. G., and Morgenstern, N. R. (1973). "Pressure response below high air entry disks”. Proceedings of the Third International Conference on Expansive Soils, Jerusalem Academic Press, Israel Institute of Technology, Technion City, Haifa, Israel, pp. 97-108.

CONFERENCE RESEARCH PAPERS (1974) Back to top

Fredlund, D. G. (1974). “Engineering approach to soil continua”. Proceedings of the Second Symposium, Application of Solid Mechanics, McMaster University, Hamilton, Ontario, pp. 46-59.

JOURNAL RESEARCH PAPERS (1975) Back to top

Fredlund, D. G. (1975). "A diffused air volume indicator for unsaturated soils”. Canadian Geotechnical Journal, 12(4), 533-539.

Fredlund, D. G., Bergan, A. T., and Sauer, E. K. (1975). "Deformation characterization of subgrade soils for highways and runways in northern environments”. Canadian Geotechnical Journal, 12(2), 213-223.

CONFERENCE RESEARCH PAPERS (1975)

Fredlund, D. G. (1975). "A comprehensive and flexible slope stability program”. Proceedings of the RTAC 1975 Annual Conference, Construction and Maintenance Workshop, Roads and Transportation Association of Canada Meeting, Calgary, AB, Vol. 3, pp. 109-142.

Fredlund, D. G. (1975). "Prediction of heave in unsaturated soils”. Proceedings of the Fifth Regional Conference, Bangalore, India, December 19-22, Vol. 1, pp. 125-129.

Fredlund, D. G. (1975). "Engineering properties of expansive clays”. Seminar on shallow foundations on expansive clays, October 27-28, Regina, Saskatchewan.

Kent, D. D., Fredlund, D. G., and Watt, W. G. (1975). "Variables controlling behaviour of a partly frozen soil”. Proceedings of the Conference on Soil Water Problems in Cold Regions, Calgary, Alberta, May, pp. 70-88.

JOURNAL RESEARCH PAPERS (1976) Back to top

Fredlund, D. G. (1976). "Density and compressibility characteristics of air-water mixtures”. Canadian Geotechnical Journal, 13(4), 386-396.

Fredlund, D. G., and Morgenstern, N. R. (1976). "Constitutive relations for volume change in unsaturated soils”. Canadian Geotechnical Journal, 13(3), 261-276.

CONFERENCE RESEARCH PAPERS (1976)

Fredlund, D. G. (1976). “Computer software for slope stability analysis”. Proceedings of the 90^th Annual EIC Congress, October 4-8, Halifax, Nova Scotia.

Fredlund, D. G. and Krahn, J. (1976). “Comparison of slope stability methods of analysis”. Proceedings of the 29^th Canadian Geotechnical Conference, Vancouver, British Columbia, October 13-15, pp. VIII-56 to VIII-74.

Haug, M. D., Sauer, E. K. and Fredlund, D. G. (1976). “Retrogressive slope failures near Saskatoon”. Proceedings of the 29^th Canadian Geotechnical Conference, Vancouver, British Columbia October 13 -15, pp. II-66 to II-83.

Krahn, J. and Fredlund, D. G. (1976). “Evaluation of the University of Saskatchewan slope stability program”. Presented to the Roads and Transportation Association of Canada Meeting in Quebec City, September 12-16.

Widger, R. A., and Fredlund, D. G. (1976). “Stability of swelling clay embankments”. Proceedings of the 29^th Canadian Geotechnical Conference, Vancouver, British Columbia, October 12-16, pp. IV-48 to IV-72.

JOURNAL RESEARCH PAPERS (1977) Back to top

Fredlund, D. G., and Krahn, J. (1977). "Comparison of slope stability methods of analysis”. Canadian Geotechnical Journal, 14(3), 429-439.

Fredlund, D. G., and Morgenstern, N. R. (1977). "Stress state variables for unsaturated soils”. Journal of Geotechnical Engineering Division, ASCE, 103(GT5), 447-466.

Hasan, J., and Fredlund, D. G. (1977). Discussion on J. Uzan: “Analysis of swelling-soil column infiltration test”. Journal of the Geotechnical Engineering Division, American Society of Civil Engineers, 103(GT7): 829-831.

Haug, M. D., Sauer, E. K., and Fredlund, D. G. (1977). "Retrogressive slope failures at Beaver Ceek, South of Saskatoon, Saskatchewan, Canada”. Canadian Geotechnical Journal, 14(3), 288-301.

CONFERENCE RESEARCH PAPERS (1977)

Fredlund, D. G. (1977). “Slope stability software usage in Canada”. Proceedings of the Ninth International Conference on Soil Mechanics and Foundation Engineering, Specialty Session No. 12 on Computing in Soil Mechanics; Present and Future, Tokyo, Japan, pp. 289-302.

Fredlund, D. G., Bergan, A. T., and Wong, P. K. (1977). " Relationship between modulus and stress conditions for cohesive subgrade soils”. Transportation Research Record 642, 73-81.

Hasan, J., and Fredlund, D. G. (1977). “Consolidation theory for unsaturated soils”. Proceedings of the Symposium on Water Movement and Equilibrium in Swelling Soils, Committee on Water in the Unsaturated Zone, Section of Hydrology of the American Geophysical Union, San Francisco, California, 30 p.

JOURNAL RESEARCH PAPERS (1978) Back to top

Fredlund, D. G. (1978). "Usage, requirements and features of slope stability computer software (Canada, 1977)”. Canadian Geotechnical Journal, 15(1), 83-95.

Fredlund, D. G., and Morgenstern, N. R. (1978). Closure to paper entitled “Stress state variables for unsaturated soils”. Journal of American Society of Civil Engineers, Geotechnical Division, ASCE, GT11, 1415-1416.

Fredlund, D. G., Morgenstern, N. R., and Widger, R. A. (1978). "The shear strength of unsaturated soils”. Canadian Geotechnical Journal, 15(3), 313-321.

JOURNAL RESEARCH PAPERS (1979) Back to top

Bocking, K. A., and Fredlund, D. G. (1979). "Use of the osmotic tensiometer to measure negative pore-water pressure”. ASTM Geotechnical Testing Journal, GTJODJ, 2(1), 3-10.

Fredlund, D. G. (1979). "Second Canadian Geotechnical Colloquium: Appropriate concepts and technology for unsaturated soils”. Canadian Geotechnical Journal, 16(1), 121-139.

Fredlund, D. G., and Hasan, J. (1979). "One-dimensional consolidation theory, unsaturated soils”. Canadian Geotechnical Journal, 16(3), 521-531.

Krahn, J., Johnson, R. F., Fredlund, D. G., and Clifton, A. W. (1979). “A highway cut in Cretaceous sediments at Maymont, Saskatchewan. Canadian Geotechnical Journal, 16(4): 703-715.

Morrrison, J., and Fredlund, D. G. (1979). Discussion on the paper “Emploi d'une methode psychrometrique dans des essais triaxiaux sur un limon remanie” (“Use of the psychometric method in triaxial tests on a non-saturated soil”) by J. C. Verbrugge. CGJ, 1978, 15(5), 501-509. Canadian Geotechnical Journal. 16 (3), 614-615.

Widger, R. A., and Fredlund, D. G. (1979). "Stability of swelling clay embankments”. Canadian Geotechnical Journal, 16(1), 140-151.

JOURNAL RESEARCH PAPERS (1980) Back to top

Fredlund, D. G. (1980). “Discussion: Consolidation of unsaturated soils including swelling and collapse behaviour, by Lloret A. and Alonso, A. Geotechnique 30 (4): 449-477.

Hasan, J. U., and Fredlund, D. G. (1980). "Pore-pressure parameters for unsaturated soils”. Canadian Geotechnical Journal, 17(3), 395-404.

CONFERENCE RESEARCH PAPERS (1980)

Bocking, K. A., and Fredlund, D. G. (1980). “Limitations of the axis-translation technique”. Proceedings of the Fourth International Conference on Expansive Soils, Denver, Colorado, Vol. 1, pp. 117-135.

Dakshanamurthy, V., and Fredlund, D. G. (1980). “Moisture and air flow in an unsaturated soil”. Proceedings of the Fourth International Conference on Expansive Soils, Denver, Colorado, Vol, 1, pp. 514-532.

Fredlund, D. G. (1980). “Use of computers for slope stability analysis”. International Symposium on Landslides, New Delhi, India, April 7-11, Vol. 2, pp. 129-138.

Fredlund, D. G., Hasan, J. U., and Filson, H. (1980). “The prediction of total heave”. Proceedings of the Fourth International Conference on Expansive Soils, Denver, Colorado, Vol. 1, pp. 1-17.

Fredlund, D. G., Krahn, J., and Hasan, J. U. (1980). “Variability of an expansive clay deposit”. Proceedings of the Fourth International Conference on Expansive Soils, Denver, Colorado, Vol. 1, pp. 332-338.

Krazynski, L., Escario, V., Fredlund, D. G., Lytton, R. L., Holand, J., Mckeen, R. G., Mitchell, P. and Williams, A. A. B. (1980). Summary of Panel Discussion on: “Testing and Prediction Methods”. Proceedings of the 4^th International Conference on Expansive Soils. Session No. 2, June.

JOURNAL RESEARCH PAPERS (1981) Back to top

Clifton, A. W., Krahn, J., and Fredlund, D. G. (1981). "Riverbank instability and development control in Saskatoon”. Canadian Geotechnical Journal, 18(1), 95-105.

Dakshanamurthy, V., and Fredlund, D. G. (1981). "A mathematical model for predicting moisture flow in an unsaturated soil under hydraulic and temperature gradients”. Water Resources Journal, 17(3), 714-722.

Fredlund, D. G. (1981). "The shear strength of unsaturated soils and its relationship to slope stability problems in Hong Kong”. The Hong Kong Engineer, The Journal of the Hong Kong Institution of Engineers, 9(4), 37-45.

CONFERENCE RESEARCH PAPERS (1981)

Fredlund, D. G. (1981). “Seepage in unsaturated soils”. Proceedings of the 10^th Inter- national Conference on Soil Mechanics and Foundation Engineering, Session 3, Panel Discussion: Groundwater and seepage problems. June, 15-19, Stockholm, Sweden.

Fredlund, D. G., and Dakshanamurthy, V. (1981). "Transient flow theory for geotechnical engineering”. Proceedings of the American Geophysical Union, San Francisco, December.

Fredlund, D. G. and Dakshanamurthy, V. (1981). “Prediction of moisture flow and related swelling or shrinkage in unsaturated soil. " Presented to the Eighth CANCAM, Moncton, New Brunswick, June 7-12.

Fredlund, D. G., Krahn, J., and Pufahl, D. E. (1981). “The relationship between limit equilibrium slope stability methods”. Proceedings of the Tenth International Conference on Soil Mechanics and Foundation Engineering, Stockholm, Sweden, Vol. 3, pp. 409-416.

Ho, D. Y. F. and Fredlund, D. G. (1981). Discussion on the Paper “Shear strength of partially saturated soils”. by Gulhati S. K., and Satija. Proceedings of the 10^th International Conference on Soil Mechanics and Foundation Engineering, Stockholm, Sweden, June 15-19, Vol. 4, pp. 672-674.

JOURNAL RESEARCH PAPERS (1982) Back to top

Fredlund, D. G., and Dakshanamurthy, V. (1982). "Prediction of moisture flow and related swelling or shrinkage in unsaturated soils”. Geotechnical Engineering, 13, 15-49.

Ho, D. Y. F., and Fredlund, D. G. (1982). "A multistage triaxial tests for unsaturated soils”. ASTM, Geotechnical Testing Journal, 5(1/2), 18-25.

Pufahl, D. E., Fredlund, D. G., and Rahardjo, H. (1982). "Lateral earth pressure in expansive clay soils”. Canadian Geotechnical Journal, 20(2), 228-241.

CONFERENCE RESEARCH PAPERS (1982)

Fredlund, D. G. (1982). “Consolidation of unsaturated porous media”. NATO Advanced Study Institute on Mechanics of Fluids in Porous Media - New Approaches in Research, University of Delaware, Newark. July 18-27.

Fredlund, D. G., and Dakshanamurthy, V. (1982). “Transient flow processes in unsaturated soils under flux boundary conditions”. Proceedings of the Fourth International Conference on Numerical Methods in Geomechanics, Edmonton, Alberta, Canada. June.

Ho, D. Y. F., and Fredlund, D. G. (1982). “ Increase in strength due to suction for two Hong Kong soils”. ASCE Geotechnical Conference on Engineering and Construction in Tropical and Residual Soils, Honolulu, Hawaii, January, pp. 263-295.

Ho, D. Y. F., and Fredlund, D. G. (1982). “Strain rates for unsaturated soil shear strength testing”. Proceedings of the Seventh Southeast Asian Geotechnical Conference, Hong Kong, November 22-26, Vol. 1, pp. 787-803.

JOURNAL RESEARCH PAPERS (1983) Back to top

Ching, R., and Fredlund, D. G. (1983). "Some difficulties associated with the limit equilibrium method of slices”. Canadian Geotechnical Journal, 20(4), 661-672.

Yoshida, R., Fredlund, D. G., and Hamilton, J. J. (1983). "The prediction of total heave of a slab-on-grade floor on Regina clay”. Canadian Geotechnical Journal, 20(1), 69-81.

CONFERENCE RESEARCH PAPERS (1983)

Fredlund, D. G. (1983). “Prediction of ground movements in swelling clays”. Proceedings of the 31^st Annual Soil Mechanics and Foundation Engineering Conference, Minneapolis, Minnesota.

Fredlund, D. G., and Rahardjo, H. (1983). “A comprehensive limit equilibrium software package for geotechnical engineering”. Proceedings of the Computer Applications Technical Session of the CSCE Annual Meeting, Computer Systems in Civil Engineering, Ottawa, Canada.

Fredlund, D. G. and Fredlund, L. D. (1983). “Geotechnical software Maintenance”. Geotechnical News BiTech publishers Vancouver, B.C., March, p.23.

Goodall, D. C., Fredlund, D. G., and Lamb, K. (1983). “Methods and implications of a state-of-the-art geotechnical field investigation of potash tailings near Lanigan, Saskatchewan”. Proceedings of the First International Potash Technology Conference, Saskatoon, Saskatchewan, October 3-5, pp. 781-786.

Krahn, J., and Fredlund, D. G. (1983). “Variability of the engineering properties of natural soil deposits”. Proceedings of the Fourth International Conference on Applications of Statistics and Probability in Soil and Structural Engineering, Florence, Italy, June 13-17.

Papagianakis, A. T., and Fredlund, D. G. (1983). “A steady state model for flow in saturated-unsaturated soils”. Proceedings of the 9^th Canadian Congress of Applied Mechanics, May 30-June 3.

Papagianakis, A. T., Lam, L., and Fredlund, D. G. (1983). “Steady state and transient mass transport models for saturated-unsaturated soil”. Proceedings of the First International Potash Technology Conference, Saskatoon, Saskatchewan, October 3-5, pp. 741-747.

Rahardjo, H., and Fredlund, D. G. (1983). “Lateral earth force theory using limit equilibrium”. Proceedings of the 9th Canadian Congress of Applied Mechanics, Saskatoon, Saskatchewan May 30-June 3.

Wilson, G. W., and Fredlund, D. G. (1983). “The evaluation of the interslice side forces for slope stability analysis by the finite element method”. Proceedings of the 9^th Canadian Congress of Applied Mechanics, Saskatoon, Saskatchewan, May 30-June 3.

JOURNAL RESEARCH PAPERS (1984) Back to top

Papagianakis, A. T., and Fredlund, D. G. (1984). "A steady state model for flow in saturated-unsaturated soils”. Canadian Geotechnical Journal, 21(3), 419-430.

Rahardjo, H., and Fredlund, D. G. (1984). "General limit equilibrium theory for lateral earth force”. Canadian Geotechnical Journal, 21(1), 166-175.

CONFERENCE RESEARCH PAPERS (1984)

Ching, R. K. H., Sweeney, D. J., and Fredlund, D. G. (1984). “Increase in factor of safety due to soil suction for two Hong Kong slopes”. Proceedings of the Fourth International Symposium on Landslides, Toronto, Canada, September 16-21, pp. 617-623.

Ching, R. K. H., and Fredlund, D. G. (1984). “Quantitative comparisons of limit equilibrium methods of slices”. Proceedings of the Fourth International Symposium on Landslides, Toronto, Canada, September 16-21, pp. 373-379.

Ching, R. K. H., and Fredlund, D. G. (1984). “A small Saskatchewan town copes with swelling clay problems”. Proceedings of the Fifth International Conference on Expansive Soils, May 21-23, Adelaide, Australia, pp. 306-310.

Clifton, A. W., Yoshida, R., Fredlund, D. G., and Chursinoff, R. W. (1984). “Performance of Darke Hall, Regina, Canada, constructed on a highly swelling clay”. Proceedings of the Fifth International Conference on Expansive Soils, Adelaide, Australia, May 21-23, pp. 197-201.

Dakshanamurthy, V., Fredlund, D. G., and Rahardjo, H. (1984). “Coupled three-dimensional consolidation theory of unsaturated porous media”. Proceedings of the Fifth International Conference on Expansive Soils, Adelaide, Australia, May 21-23, pp. 99-104.

Fredlund, D. G. (1984). “Analytical methods for slope stability analysis”. Proceedings of the Fourth International Symposium on Landslides, State-of-the-Art, Toronto, Canada, September 16-21, pp. 229-250.

Lam, L., and Fredlund, D. G. (1984). “Saturated-unsaturated transient finite element seepage model for geotechnical engineering”. Proceedings of the Fifth International Conference on Finite Elements in Water Resources, University of the Vermont, Burlington, Vermont.

Lee, R. K., and Fredlund, D. G. (1984). “Measurement of soil suction using the MCS 6000 gauge”. Proceedings of the Fifth International Conference on Expansive Soils, May 21-23, Adelaide, Australia, pp. 50-54.

CONFERENCE RESEARCH PAPERS (1985) Back to top

Fredlund, D. G. (1985). “Soil mechanics principles that embrace unsaturated soils”. Proceedings of the Eleventh International Conference on Soil Mechanics and Foundation Engineering, San Francisco, California, August 11-15, Vol. 2, pp. 465-473.

Fredlund, D. G. (1985). “Theory formulation and application for volume change and shear strength problems in unsaturated soils”. Proceedings of the Eleventh International Conference on Soil Mechanics and Foundation Engineering, Session 9C, Problems in Areas with Special Geologic Conditions, Foundation Problems in Arid Areas, San Francisco, California, August 11-15, Vol. 6. pp. 2835-2838.

Fredlund, D. G., and Rahardjo, H. (1985). “Theoretical context for understanding unsaturated residual soil behavior”. Proceedings of the First International Conference on Geomechanics in Tropical Lateritic and Saprolitic Soils, Sao Paulo, Brazil, February 11-14, pp. 295-306.

JOURNAL RESEARCH PAPERS (1986) Back to top

Fan, K., Fredlund, D. G., and Wilson, G. W. (1986). "An interslice force function for limit equilibrium slope stability analysis”. Canadian Geotechnical Journal, 23(3), 287-296.

Fredlund, D. G., and Rahardjo, H. (1986). "Unsaturated soil consolidation theory and laboratory experimental data”. Consolidation of Soils: Testing and Evaluation, ASTM STP 892, R., 154-169.

CONFERENCE RESEARCH PAPERS (1986)

Clifton, A. W., Mickleborough, O., and Fredlund, D. G. (1986). “Highwall stability analysis under dragline loadings at the Saskatchewan coal mine”. International Symposium on Geotechnical Stability in Surface Mining, Calgary, Alberta, November 6-7, pp. 341-353.

Fredlund, D. G. and Barbour, S. L. (1986). “The prediction of pore- pressures for slope stability analyses”. Presented at the Slope Stability Seminar, University of Saskatchewan, Saskatoon, April 28-29.

JOURNAL RESEARCH PAPERS (1987) Back to top

Fredlund, D. G. (1987). "The stability of slopes”. Book review of the book by E.N. Bromhead, Surrey University Press, 1986, Book Review published in Canadian Geotechnical Journal, 24(2), 323-324.

Fredlund, D. G., and Rahardjo, H. (1987). "Soil mechanics principles for highway engineering in arid regions”. Transportation Research Record, 1137, 1-11.

Lam, L., Fredlund, D. G., and Barbour, S. L. (1987). "Transient seepage model for saturated-unsaturated soil systems: A geotechnical engineering approach”. Canadian Geotechnical Journal, 24(4), 565-580.

van der Raat, P., Fredlund, D. G., Clifton, A. W., Klassen, M. J., and Jubien, W. E. (1987). “Soil suction measurements at several sites in Western Canada”. Transportation Research Record, 1137, Washington, D. C, pp. 24-35.

CONFERENCE RESEARCH PAPERS (1987)

Arenicz, R. M., and Fredlund, D. G. (1987). “A note on reinforced earth design”. Proceedings of the Engineering Conference on Developing Remote Areas, Published by the Institution of Engineers (Australia), Canberra, Australia, May 11-15, pp. 199-203.

Fredlund, D. G., and Fredlund, M. D. (1987). “The PC-SLIN family of software for slope inclinometer data reduction”. Proceedings of the First Canadian Symposium on Micro-computer Applications to Geotechnique, Regina, Saskatchewan, Canada, October 22-23, pp. 163-171.

Fredlund, D. G., and Fredlund, L. D. (1987). “The PC-SLOPE family of software for slope stability analysis”. Proceedings of the First Canadian Symposium on Micro-computer Applications to Geotechnique, Regina, Saskatchewan, Canada, October 22-23, pp. 173-181.

Fredlund, D. G. (1987). “The stress state for expansive soils”. Proceedings of the Sixth International Conference on Expansive Soils, Keynote Address, , New Delhi, India, December 1-3, pp. 524-534.

Fredlund, D. G. (1987). “The prediction and performance of structures on expansive soils”. Keynote Address, International Symposium on Prediction and Performance in Geotechnical Engineering, Edited by R.C. Joshi and F.J. Griffiths, Calgary, Canada, June 17-19, pp. 51-60.

Fredlund, D. G. (1987). “Slope stability analysis incorporating the effect of soil suction”. Chapter 4, In Slope Stability. Edited by M.G. Anderson and K.S. Richards, John Wiley and Sons Ltd., pp.105-136.

Fredlund, D. G., Rahardjo, H., and Gan, J. K.-M. (1987). “Non-linearity of strength envelope for unsaturated soils”. Proceedings of the Sixth International Conference on Expansive Soils, New Delhi, India, December 1-3, Vol. 1, pp. 49-54.

Krahn, J., Fredlund, D. G., and Klassen, M. J. (1987). “The effect of soil suction on slope stability at Notch Hill”. Proceedings of the 40th Canadian Geotechnical Conference, Regina, Saskatchewan, Canada, October 19-21, pp. 103-110.

Krahn, J., Fredlund, D. G., Lam, L., and Barbour, S. L. (1987). “PC-SEEP: a finite element program for modelling seepage”. Proceedings of the First Canadian Symposium on Microcomputer Applications to Geotechnique, Regina, Saskatchewan, Canada, October 22-23, pp. 243-251.

Rao, R. R., and Fredlund, D. G. (1987). “Interpretation of expansive soils data and its application to the prediction of heave”. Proceedings of the Sixth International Conference on Expansive Soils, New Delhi, India, December 1-3, pp. 207-210.

JOURNAL RESEARCH PAPERS (1988) Back to top

Gan, J. K.-M., Fredlund, D. G., and Rahardjo, H. (1988). "Determination of the shear strength parameters of an unsaturated soil using the direct shear test”. Canadian Geotechnical Journal, 25(3), 500-510.

Gan, J. K.-M., and Fredlund, D. G. (1988). "Multistage direct shear testing of unsaturated soils”. ASTM Geotechnical Testing Journal, 11(2), 132-138.

Rao, R. R., Rahardjo, H., and Fredlund, D. G. (1988). "Closed-form heave solutions for expansive soils”. ASCE Geotechnical Journal, 114(5), 573-588.

Sweeney, D. A., Wong, D. K. H. and Fredlund, D. G. (1988). “Effect of lime on highly plastic clay with special emphasis on ageing”. Transportation Research Record 1190, Washington, pp 13-23.

Wong, D. K. H., Barbour, S. L., and Fredlund, D. G. (1988). "Modelling for flow through potash tailings piles”. Canadian Geotechnical Journal, 25(2), 292-306.

CONFERENCE RESEARCH PAPERS (1988)

Fredlund, D. G., and Barbour, S. L. (1988). “The role of Kriging in slope stability analysis”. Proceedings of the Annual Conference on CSCE, Computer Applications in Civil Engineering, Calgary, Alberta, May 25-27, Vol. 1, pp. 41-57.

Fredlund, D. G., and Rahardjo, H. (1988). “State-of-development in the measurement of soil suction”. Proceedings of the First International Conference on Engineering Problems on Regional Soils, Beijing, China, August 11-15, pp. 582-588.

Pufahl, D. E., and Fredlund, D. G. (1988). “Lateral movements and deformation properties of a potash tailings pile in Saskatchewan, Canada”. Hydraulic Fill Structures '88, ASCE, Geotechnical Specialty Conference, CSU, Fort Collins, CO, Editions: D. J. A. Van Zyl and S.G. Vick, August 14-17, pp. 956-970.

Sauer, E. K., and Fredlund, D. G. (1988). “Effective stress, limit equilibrium, back-analysis of failed slopes: An Evaluation”. Proceedings of the Fourth International Symposium on Landslides, Lausanne, Switzerland, July 10-15, pp. 763-770.

JOURNAL RESEARCH PAPERS (1989) Back to top

Barbour, S. L., and Fredlund, D. G. (1989). "Mechanisms of osmotic flow volume change in clay soils”. Canadian Geotechnical Journal, 26(4), 551-562.

Fredlund, D. G., and Wong, D. K. H. (1989). "Calibration of thermal conductivity sensors for measuring soil suction”. ASTM Geotechnical Testing Journal, 12(3), 188-194.

Krahn, J., Fredlund, D. G., and Klassen, M. J. (1989). “Effect of soil suction on slope stability at Notch Hill”. Canadian Geotechnical Journal, 26(2): 269-278.

Sattler, P. J., and Fredlund, D. G. (1989). "Use of thermal conductivity sensors to measure matric suction in the laboratory”. Technical Note, Canadian Geotechnical Journal, 26(3), 491-498.

Wong, D. K. H., Fredlund, D. G., Imre, E., and Putz, G. (1989). “Evaluation of AGWA-II thermal conductivity sensors for soil suction measurement”. Transportation Research Record, 1219, pp. 131-143.

CONFERENCE RESEARCH PAPERS (1989)

Barbour, S. L., and Fredlund, D. G. (1989). “Physico-chemical state variables for clay soils”. Proceedings of the XII International Conference on Soil Mechanics and Foundation Engineering, Invited Paper, Rio de Janeiro, Brazil, August 13-18, pp. 1839-1843.

Fredlund, D. G. (1989). “Discussion Leader’s Report on the Unsaturated Soils”. Proceedings of the 12^th International Conference on Soil Mechanics and Foundation Engineering. Rio de Janeiro, Brazil, August 13-18.

Fredlund, D. G. (1989). “The character of the shear strength envelope for unsaturated soils”. The Victor de Mello Volume, Proceedings of the 12^th International Conference on Soil Mechanics and Foundation Engineering, August, Rio de Janeiro, Brazil, pp. 142-149.

Fredlund, D. G. (1989). “Soil suction monitoring for roads and airfields”. Proceedings of the Symposium on the State-of-the-art of Pavement Response Monitoring Systems for Roads and Airfields, Invited paper, Sponsored by the U.S. Army Corps. of Engineers, Hanover, N.H., March 6-9, pp. 24-39.

Fredlund, D. G. (1989). “Negative Pore-water pressures in slope stability”. Proceedings of the First South American Symposium on Landslides, Paipa, Columbia, August 8-10, pp. 429- 439.

Fredlund, D. G., and Mittal, H. (1989). “Long term stability and deformation of tailing piles and dykes”. Proceedings of the Workshop on Potash Tailings and Site Decommissioning Options, Saskatoon, Saskatchewan, May 29-31, 42 p.

Fredlund, D. G., Rahardjo, H., and Loi, J. (1989). “Typical matric suction measurements in the laboratory and the field using thermal conductivity sensors”. Proceedings of the Southeast Asian Conference on Soil Mechanics, Visakhapatnam, India, December 14-16, pp. 127-131.

Ho, D. Y. F. and Fredlund, D. G. (1989). “ Laboratory measurement of the volumetric deformation module for two unsaturated soils”. Proceedings of the 42nd Canadian Geotechnical Conference, Winnipeg, Manitoba, October 22-25.

Sattler, P., Fredlund, D. G., Klassen, M. J., Jubien, W. B., and Rowan, W. G. (1989). “Bearing capacity approach to railway design, utilizing subgrade matric suction”. Transportation Research Board, Committee on Railroad Track Structure System Design, Transportation Research Record 1241, Washington D. C, January, pp. 27-33.

Sweeney, D. A. and Fredlund, D. G. (1989). “Lime modified clay research program”. Saskatchewan Highways and Transportation, Research in Review, October, Vol. 1, No. 3.

Sweeney, D. A., Fredlund, D. G., Gan, J. K.-M., and Widger, R. A. (1989). “Evaluation of environmental influences on a lime-modified highly plastic clay”. Presented to RTAC Meeting, Calgary, Alberta, Canada, September 17-21.

CONFERENCE RESEARCH PAPERS (1990) Back to top

McClarty, D. V. B., and Fredlund, D. G. (1990). “Spline interpolation: a means of interfacing finite element analysis and limit equilibrium analysis”. Proceedings of the Annual Conference and 1^st Biennial Environmental Speciality Conference, CSCE Conference on Engineering in our Environment, Hamilton, Ontario, May 15-18, Vol. 2, pp. 779-798.

Rahardjo, H., Ho, D. Y. F., and Fredlund, D. G. (1990). “Testing procedures for obtaining volume change indices during loading of an unsaturated soil”. Proceedings of the CSCE Conference on Engineering in our Environment, Hamilton, Ontario, May 15-18.

Sattler, P., Fredlund, D. G., Lam, L. W., Clifton, A. W., and Klassen, M. J. (1990). “Implementation of a bearing capacity design procedure for railway subgrade: a case study”. Washington, D. C, January 7-11, pp. 191-197.

JOURNAL RESEARCH PAPERS (1991) Back to top

Fredlund, D. G., Rahardjo, H., and Gan, J. K.-M. (1991). Discussion on the paper entitled, “A framework for unsaturated soils behaviour” by D. G. Toll (1990). Geotechnique, 41(1):159-161.

Fredlund, D. G., and Yang, N. (1991). "The mechanical properties of unsaturated soil and their engineering application”. Journal of China Academy of Building Research, Chinese Journal of Geotechnical Engineering, Beijing, China, 13(5), 24-35.

Tadepalli, R., and Fredlund, D. G. (1991). "The collapse behavior of a compacted soil during inundation”. Canadian Geotechnical Journal, 28(4), 477-488.

Sattler, P., and Fredlund, D. G. (1991). "Numerical modelling of vertical ground movements in expansive soils”. Canadian Geotechnical Journal, 28(2), 189-199.

CONFERENCE RESEARCH PAPERS (1991)

Barbour, S. L., Fredlund, D. G., and Pufahl, D. E. (1991). “The osmotic role in the behavior of swelling clay soils”. Proceedings of the NATO Advances Research Workshop, Korfu, Greece, July 1-6, pp.97-139.

Fredlund, D. G. (1991). “How negative can pore-water pressures get?” Geotechnical News, Bi Tech Publishers, September, pp. 44-46.

Fredlund, D. G. (1991). “Long term stability of potash tails piles on soft foundations”. Proceedings of the Second International Potash Technology Conference KALI’91, May 26-29, Hamburg, Germany.

Fredlund, D. G., Gan, J. K.-M., and Rahardjo, H. (1991). “Measuring negative pore-water pressures in a freezing environment”. Transportation Research Board, 70th Annual Meeting, Washington D. C., January13-17, pp. 291-299.

Fredlund, D. G. and Rahardjo, H. (1991). “Stress state variable approach to the prediction of heave”. Presented to International Workshop on Clay Swelling and Expansive Soils, Cornell University, Ithaca, New York, August 12-16.

Khogali, W. E. I., Anderson, K. O., Gan, J. K.-M., and Fredlund, D. G. (1991). “Installing and monitoring of thermal conductivity suction sensors in a fine-grained subgrade soil subjected to seasonal frost”. Presented to Second International Symposium on Pavement Response Monitoring Systems for Road and Airfields, West Lebanon, N.H., September 10-13.

Lau, J. T. K., Fredlund, D. G., and Barbour, S. L. (1991). “Comparison of elastic and plastic approaches to the prediction of depth of cracking”. Proceedings of the 13^th Canadian Congress of Applied Mechanics, Winnipeg, Manitoba, June 2-6.

McClarty, D. V. B., Fredlund, D. G., and Barbour, S. L. (1991). “The use of spline interpolation in slope stability analysis”. Proceedings of the 44th Canadian Geotechnical Conference, Calgary, Alberta, September 29 - October 2, pp. 20-21 - 20-10.

Rahardjo, H., and Fredlund, D. G. (1991). “Calculation procedures for slope stability analyses involving negative pore-water pressures”. Proceedings of the International Conference on Slope Stability, Engineering Development and Applications, organized by the Institution of Civil Engineers, Shanklin, Isle of Wight, England, April 15-19, pp. 43-49.

Robinsky, E., Barbour, S. L., Wilson, G. W., Bordin, D., and Fredlund, D. G. (1991). “Thickened sloped tailings disposal - an evaluation of seepage and abatement of acid drainage”. Proceedings of the Second International Conference on the Abatement of Acidic Drainage, Montreal, Quebec, September 16-18.

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Sattler, P. J., and Fredlund, D. G. (1991). “Modelling vertical ground movements using surface climatic flux”. Proceedings of the Geotechnical Engineering Congress, Boulder, Colorado, June 10-12, pp. 1292-1306.

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Wilson, G. W., Barbour, S. L., and Fredlund, D. G. (1991). “The evaluation of evaporative fluxes from soil surfaces for the design of dry covers and the abatement of acid drainage”. Proceedings of the Second International Conference on the Abatement of Acid Drainage, Montreal, Quebec, September 16 -18, pp. 529-549.

Wilson, G. W., Fredlund, D. G., and Barbour, S. L. (1991). “The evaluation of evaporative fluxes from soil surfaces for problems in geotechnical engineering”. Proceedings of the 44th Annual Canadian Geotechnical Conference, Calgary, Alberta, September 29 - October 2, pp. 68-61 to 68-69.

JOURNAL RESEARCH PAPERS (1992) Back to top

Fredlund, D. G. (1992). "Background, theory and research related to the use of thermal conductivity sensors for matric suction measurements”. Soil Science Society of America Special Publication, No. 30, pp. 249-262.

Fredlund, D. G., Zhang, Z. M., and Lam, L. (1992). "Effect of the axis of equilibrium in slope stability analysis”. Canadian Geotechnical Journal, 29(3), 456-465.

Ho, D. Y. F., Fredlund, D. G., and Rahardjo, H. (1992). "Volume change indices during loading and unloading of an unsaturated soil”. Canadian Geotechnical Journal, 29(2), 195-207.

Loi, J., Fredlund, D. G., Gan, J. K.-M., and Widger, R. A. (1992). “Monitoring soil suction in an indoor test track facility”. Transportation Research Record 1362, Washington D. C, January 12-16, pp. 101-110.

Tadepalli, R., Rahardjo, H., and Fredlund, D. G. (1992). "Measurements of matric suction and volume changes during inundation of collapsible soil”. ASTM Geotechnical Testing Journal, GTJODJ, 15(2), 115-122.

CONFERENCE RESEARCH PAPERS (1992)

Barbour, S. L., Fredlund, D. G., and Gan, J. K.-M. (1992). “Prediction of moisture movement in highway subgrade soils”. Proceedings of the 45th Annual Canadian Geotechnical Conference, Keynote Address, Toronto, Ontario, October 26-28, pp. 41A.1 - 41A.13.

Rahardjo, H., Fredlund, D. G., and Fan, K. K. (1992). “Interslice force functions in slope stability analyses”. Presented to CSCE Specialty Conference on Stability and Performance of Slopes and Embankments – II, University of California at Berkeley, June 29- July 1.

Fredlund, D. G., Sattler, P. J., and Gan, J. K.-M. (1992). “In situ suction measurements using thermal sensors”. Proceedings of the 7th International Conference on Expansive Soils, Dallas Texas, August 3-5, pp. 325-330.

Fredlund, D. G., and Barbour, S. L. (1992). “Integrated seepage modeling and slope stability analyses a generalized approach for saturated/unsaturated soils”. Geomechanics and Water Engineering in Environmental Management, Editor: by R. Chowdhury, pp. 3-35.

Rahardjo, H., Fredlund, D. G., and Fan, K. K. (1992). “Slope stability and lateral earth force interslice functions based on finite element analysis”. Presented to CSCE Speciality Conference on Stability and Performance of Slopes and Embankments - II, University of California at Berkeley, Berkeley, CA., June 29- July 1.

Rahardjo, H., and Fredlund, D. G. (1992). “Mechanics of soils with matric suction”. Proceedings of the International Conference on Geotechnical Engineering. GEOTROPIKA ’92, Universite Teknologi, Johor Bahru, Malaysia, April 21-25, pp. 593-605.

Rahardjo, H., Fredlund, D. G. and Vanapalli, S. K. (1992). “Use of linear and non-linear shear strength versus matric suction relations in slope stability analysis”. Proceedings of the Sixth International Symposium on Landsides, Christ Church, New Zealand, February 10-14, pp. 531-537.

Szafron, B. J., and Fredlund, D. G. (1992). “Monitoring matric suctions in the subgrade of gravel roads”. Proceedings of the 45th Canadian Geotechnical Conference, Toronto, Canada, October 26-28, pp. 52.51- 52.10.

Tadepalli, R., Fredlund, D. G., and Rahardjo, H. (1992). “Soil collapse and matric suction change”. Proceedings of the 7th International Conference on Expansive Soils, Dallas, Texas, August 3 -5, pp. 286-291.

JOURNAL RESEARCH PAPERS (1993) Back to top

Fredlund, D. G., Zhang, Z. M., and Macdonald, K. (1993). "Analyses for the stability of potash tails piles”. Canadian Geotechnical Journal, 30(3), 491-505.

Lam, L., and Fredlund, D. G. (1993). "A general limit equilibrium model for three-dimensional slope stability analysis”. Canadian Geotechnical Journal, 30(6), 905-919.

McClarty, D. V. B., Fredlund, D. G., and Barbour, S. L. (1993). "Use of spline interpolation in slope stability analysis”. Journal of Microcomputers in Civil Engineering, 8, 439-452.

CONFERENCE RESEARCH PAPERS (1993)

Fredlund, D. G., and Rahardjo, H. (1993). “An overview of unsaturated soil behavior”. Presented to the ASCE Specialty Session on Unsaturated Soil Properties, Keynote Address, October 24-28, Dallas, Texas, pp. 1-33.

Fredlund, D. G., and Rahardjo, H. (1993). “The role of unsaturated soil behavior in geotechnical practice”. Proceedings of the Eleventh Southeast Asian Goetechnical Conference, Keynote Address, Singapore, May 4-8, pp. 37-49.

Fredlund, D. G., Rahardjo, H., and Ng, T. (1993). “Effect of pore-air and negative pore-water pressures on stability at the end-of-construction”. Proceedings of the International Conference on Dam Engineering, Johor Bahru, Malaysia , January 12-13, pp. 43-51.

Fredlund, D. G. and Fredlund, L. D. (1993). “Computing and geotechnical engineering; the 1990’s and beyond”. Geotechnical News, Bi-Tech Publishers, April.

Rahardjo, H., and Fredlund, D. G. (1993). “Stress paths for shear strength testing of unsaturated soils”. Proceedings of the Eleventh Southeast Asian Geotechnical Conference, Invited Lecture, Singapore, May 4-8, pp. 187-192.

Yang, D., Fredlund, D. G., and Stolte, W. J. (1993). “A probabilistic slope stability analysis using deterministic computer software”. Proceedings of the Conference on Probabilistic Methods in Geotechnical Engineering, Canberra, Australia, February 10-12, pp. 267-274.

JOURNAL RESEARCH PAPERS (1994) Back to top

Fredlund, D. G., and Xing, A. (1994). "Equations for the soil-water characteristic curve”. Canadian Geotechnical Journal, 31(4), 521-532.

Fredlund, D. G., Xing, A., and Huang, S. Y. (1994). "Predicting the permeability function for unsaturated soils using the soil-water characteristic curve”. Canadian Geotechnical Journal, 31(4), 533-546.

Gan, J. K.-M., Fredlund, D. G., Li, W. X., and Xing, A. (1994). "Design and data acquisition for thermal conductivity matric suction sensors”. Transportation Research Record, (1432), 68-75.

Kasap, S. O., Lakhanpal, D., Patzer, C., Mandziak, T., and Fredlund, D. G. (1994). "Ultrasonic measurements on a porous ceramic to determine soil suction”. Ultrasonics, 32(5), 379-383.

Lam, L., and Fredlund, D. G. (1994). "Reply: a general limit equilibrium model for three-dimensional slope stability analysis”. Canadian Geotechnical Journal, 31(5), 795-796.

Wilson, G. W., Fredlund, D. G., and Barbour, S. L. (1994). "Coupled soil-atmosphere modelling for soil evaporation”. Canadian Geotechnical Journal, 31(2), 151-161.

Xing, A., and Fredlund, D. G. (1994). "Numerical modelling of a thermal conductivity matric suction sensor”. ASTM Geotechnical Testing Journal, 17(4), 415-424.

CONFERENCE RESEARCH PAPERS (1994)

Adams, B. A., Wulfsohn, D., and Fredlund, D. G. (1994). “Unsaturated soil mechanics for agricultural conditions”. An ASAE Meeting Presentation, Paper No. 94-1037, Kansas City, Missouri, June 19-22.

Fredlund, D. G., and Gan, J. K.-M. (1994). “The collapse mechanism of a soil subjected to one-dimensional loading and wetting”. Proceedings of the, Loughborough University of Technology, United Kingdom, April 11-16, pp. 173-205.

Fredlund, D. G. (1994). “The role of clay mineralogy in classical soil mechanics”. 31th Annual Meeting, Saskatoon, SK, (Power Point Presentation).

Fredlund, D. G. (1994). “Visualization of the world of soil mechanics”. Proceedings of the Sino-Canadian Symposium on Unsaturated/Expansive Soils, Wuhan, China, June 7-8, pp. 1-21.

Fredlund, D. G., and Rahardjo, H. (1994). “Hillside slope stability assessment in unsaturated residual soils”. Kuala Lumpur, Malaysia, IKAM Seminar on Geotechnical Aspects of Hillside Development, April 11-12.

Fredlund, D. G., Gan, J. K.-M., and Li, W. X. (1994). “Thermal conductivity suction sensors design considerations”. Proceedings of the 13th International Conference on the Soil Mechanics and Foundation Engineering, New Delhi, India, pp. 291-296.

Gan, J. K.-M., and Fredlund, D. G. (1994). “Shear strength characteristics of two saprolitic soils from Hong Kong”. Proceedings of the Sino-Canadian Symposium on Unsaturated/Expansive Soil, Chinese Institution for Soil Mechanics and Foundation Engineering, CEES, Wuhan, China, June 7-8, pp. 81-107.

Huang, S., Barbour, S. L., and Fredlund, D. G. (1994). “A history of the coefficient of permeability function”. Proceedings of the Sino-Canadian Symposium on Unsaturated/Expansive Soil, Chinese Institution for Soil Mechanics and Foundation Engineering, CEES, Wuhan, China, June 7-8, pp. 57-80.

Lim, P. C., Barbour, S. L., and Fredlund, D. G. (1994). “Laboratory determination of diffusion and adsorption coefficients of inorganic chemicals for unsaturated soil”. Proceedings of the First International Congress on Environmental Geotechnics, Edmonton, Alberta, Canada, July 10-15, pp. 319-324.

Poon, A. W., and Fredlund, D. G. (1994). “Design of anchor system using limit equilibrium”. Proceedings of the 47th Canadian Geotechnical Conference, Halifax, Nova Scotia, pp. 375-386.

Rahardjo, H., and Fredlund, D. G. (1994). “A technique to perform coupled consolidation analysis using two independent software”. Proceedings of the First Congress on Computing in Civil Engineering, ASCE, Vol. 1, Washington, D. C, July 20-22, pp. 849-856.

Wulfsohn, D., Adams, B. A., and Fredlund, D. G. (1994). “Triaxial testing of unsaturated agricultural soils”. American Society of Agricultural Engineers. International Summer Meeting, Paper No. 94-1036, Kansas City, Missouri, June 19-22.

JOURNAL RESEARCH PAPERS (1995) Back to top

Fredlund, D. G. and Lim, P. C. (1995). “Discussion: Matrix suction and diffusive transport in centrifuge models”. by R. J. Mitchell. Canadian Geotechnical Journal, 32(1):178-180.

Fredlund, D. G., Gan, J. K.-M., and Gallen, P. (1995). “Suction measurements on compacted till specimens and an indirect filter paper calibration technique”. Transportation Research Record 1481, Washington, D. C, January 22-28, pp. 3-9.

Rahardjo, H., and Fredlund, D. G. (1995). "Experimental verification of the theory of consolidation for unsaturated soils”. Canadian Geotechnical Journal, 32(5), 749-766.

Rahardjo, H., Lim, T. T., Chang, M. F., and Fredlund, D. G. (1995). "Shear strength characteristics of a residual soil with suction”. Canadian Geotechnical Journal, 32(1), 60-77.

CONFERENCE RESEARCH PAPERS (1995)

Barbour, S. L., Fredlund, D. G., Gan, J. K.-M., and Wilson, G. W. (1995). “Moisture movement in highway subgrade soils, prediction and measurement”. Symposium on Unsaturated Soil Behavior and Applications, Nairobi, Kenya, August, pp. 21-40.

Clifton, A. W., Misfeldt, G. A., and Fredlund, D. G. (1995). “Experiences with two fills on clay shale foundations”. Proceedings of the Conference on Soil Mechanics and Foundation Engineering, Guadalajara, Mexico, October 29-November 3.

Fredlund, D. G. (1995). “ Prediction of unsaturated soil functions using the soil - water characteristic curves”. Proceedings of the Bengt B. Broms Symposium on Geotechnical Engineering, Singapore, December 13-16, pp. 113-133.

Fredlund, D. G. (1995). “The prediction of heave in expansive soils”. Proceedings of the Canada-Kenya Symposium on Unsaturated Soil Behavior and Applications, University of Nairobi, Nairobi, Kenya, August 22-23, pp. 105-119.

Fredlund, D. G. (1995). “The scope of unsaturated soil mechanics: An overview”. Proceedings of the First International Conference on Unsaturated Soils, Keynote Address, Paris, France, September 6-8, Vol. 3, pp. 1155-1177.

Fredlund, D. G. (1995). “The stability of slopes with negative pore-water pressures”. Proceedings of the Ian Boyd Donald Symposium on Modern Developments in Geomechanics, Invited Lecture, Department of Civil Engineering, Monash University, Clayton, Victoria, Australia, pp. 99-116.

Fredlund, D. G. (1995). “Unsaturated soil behavior within a generalized soil mechanics context”. Proceedings of the Canada-Kenya Symposium on Unsaturated Soil Behavior and Applications, University of Nairobi, Nairobi, Kenya, August 22-23, pp. 1-20.

Fredlund, D. G., and Gan, J. K.-M. (1995). “The collapse mechanism of a soil subjected to one-dimensional loading and wetting”. Proceedings of the Genesis and Properties of Collapsible Soils, NATO Advanced Research Workshop, Loughborough, UK, Vol. 468. pp. 173-205.

Fredlund, D. G., Huang, S. K., Clifton, A. W., Wang, Q., Barbour, S. L., Ke, Z. J., and Fan, W. Y. (1995). “Matric suction and deformation monitoring at an expansive soil site in southern China”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol . 2, pp. 855-862.

Fredlund, D. G., Vanapalli, S. K., Xing, A., and Pufahl, D. E. (1995). “Predicting the shear strength function for unsaturated soils using the soil-water characteristic curve”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 1, pp. 63-70.

Fredlund, D. G. (1995). “Engineering Mission to Vietnam”. Geotechnical News, Vancouver, 13(2):39-40.

Gan, J. K.-M., and Fredlund, D. G. (1995). “Shear strength behavior of two saprolitic soils”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 1, pp. 71-76.

Ho, D. Y. F., and Fredlund, D. G. (1995). “Determination of the volume change moduli and respective inter-relationships for two unsaturated soils”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 1, pp. 117-122.

Huang, S., Fredlund, D. G., and Barbour, S. L. (1995). “Measurement of the coefficient of permeability of an unsaturated soil”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 2. pp. 505-511.

Lim, P. C., Barbour, S. L., and Fredlund, D. G. (1995). “Effect of degree of saturation on the adsorption characteristics of inorganic chemical in unsaturated soils”. Proceedings of the Geoenvironment 2000, Specialty Conference sponsored by the Geotechnical and Environmental Divisions of ASCE, New Orleans, Louisiana, February 24-26, pp. 815-828.

Oloo, S. Y., and Fredlund D. G., (1995). “Matric suction monitoring in an expansive soil subgrade in Kenya”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6 – 8, Vol. 2, pp. 631-636.

Rahardjo, H., and Fredlund, D. G. (1995). “Pore pressure and volume change behavior during drained and undrained loadings of an unsaturated soils”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 1. pp. 177-182.

Rahardjo, H., and Fredlund, D. G. (1995). “Procedures for slope stability analyses involving unsaturated soils”. Proceedings of the Asian Institute of Technology, Lecture Series on Slope Failures and Remedial Measures, Bangkok, Thailand. June.

Trach, D. J., Wilson, G. W., and Fredlund, D. G., (1995). “An introduction to analytical modeling of plant transpiration for geotechnical engineers”. Proceedings of the 48^th Canadian Geotechnical Conference, Vancouver, B.C, September 25-27, Vol. 2, pp. 771-780.

Vanapalli, S. K., Pufahl, D. E., and Fredlund, D. G. (1995). “A rational approach for the design of forest slopes”. Proceedings of the 48th Canadian Geotechnical Conference, Vancouver, B.C, September 25-27, Vol. 2, pp. 781-788.

Wilson, G. W., Barbour, S. L., and Fredlund, D. G. (1995). “The prediction of evaporative fluxes from unsaturated soil surfaces”. Proceedings of the First International Conference on Unsaturated Soils, Paris, France, September 6-8, Vol. 1, pp. 423-429.

Wilson, G. W., Fredlund, D. G., and Barbour, S. L. (1995). “A theoretical approach for evaluating evaporative fluxes from unsaturated soil behavior and applications”. Proceedings of the Canada-Kenya Symposium on Unsaturated Soils behavior and Applications, University of Nairobi, Nairobi, Kenya, August 22-23, pp. 88-104.

Xing, A., Fredlund, D. G., and Gan, J. K.-M. (1995). “Use of a Kelvin rheological model to simulate the consolidation of a saturated soil strata”. Proceedings of the 15th Canadian Congress of Applied Mechanics CANCAM '95, University of Victoria, Victoria, B.C, May 28-June 1, Vol. 2. pp. 592-593.

JOURNAL RESEARCH PAPERS (1996) Back to top

Adams, B. A., Wulfsohn, D., and Fredlund, D. G. (1996). "Air volume change measurement in unsaturated soil testing using a digital pressure-volume-controller”. ASTM Geotechnical Testing Journal, 19(1), 12-21.

Barbour, S. L., Lim, P. C., and Fredlund, D. G. (1996). "A new technique for diffusion testing of unsaturated soil”. ASTM Geotechnical Testing Journal, 19(3), 247-258.

Fredlund, D. G., Xing, A., Fredlund, M. D., and Barbour, S. L. (1996). "The relationship of the unsaturated soil shear strength to the soil-water characteristic curve”. Canadian Geotechnical Journal, 33(3), 440-448.

Gan, J. K.-M., and Fredlund, D. G. (1996). "Shear strength characteristics of two saprolitic soils”. Canadian Geotechnical Journal, 33(4), 595-609.

Lim, T. T., Rahardjo, H., Chang, M. F., and Fredlund, D. G. (1996). "Effect of rainfall on matric suctions in a residual soil slope”. Canadian Geotechnical Journal, 33(4), 618-628.

Oloo, S. Y., and Fredlund, D. G. (1996). "A method for the determination of f^b for statically compacted soils”. Canadian Geotechnical Journal, 33(2), 272-280.

Rahardjo, H., and Fredlund, D. G. (1996). "Consolidation apparatus for testing unsaturated soils”. ASTM Geotechnical Testing Journal, 19(4), 341-353.

Vanapalli, S. K., Fredlund, D. G., and Pufahl, D. E. (1996). "The relationship between the soil-water characteristic curve and the unsaturated shear strength of a compacted glacial till”. ASTM Geotechnical Testing Journal, 19(2), 259-268.

Vanapalli, S. K., Fredlund, D. G., Pufahl, D. E., and Clifton, A. W. (1996). "Model for the prediction of shear strength with respect to soil suction”. Canadian Geotechnical Journal, 33(3), 379-392.

Wulfsohn, D., Adams, B. A., and Fredlund, D. G. (1996). "Application of unsaturated soil mechanics for agricultural conditions”. Canadian Agricultural Engineering, 38(3), 173-181.

CONFERENCE RESEARCH PAPERS (1996)

Fredlund, D. G. (1996). “Geotechnical problems associated with swelling clay”. Chapter 14 of Developments in Soil Science 24, In Vertisol and Technologies for their Management, Edited by N. Ahmad and A.R. Mermut, Elsevier Science, pp. 501-526.

Fredlund, D. G. (1996). “Microcomputers and saturated/unsaturated continuum modelling in geotechnical engineering”. Symposium on computers in Geotechnical Engineering, INFOGEO '96, Keynote Address, Sao Paulo, Brazil, August 28-30, Vol. 2, pp. 29-50.

Fredlund, D. G. (1996). “The emergence of unsaturated soil mechanics”. Fourth Spencer J. Buchanan Lecture, Texas A & M, College Station, College Station, Texas, November 8, p. 39.

Fredlund, M. D., Sillers, W. S., Fredlund, D. G., and Wilson, G. W. (1996). “Design of a knowledge-based system for unsaturated soil properties”. Proceedings of the Third Canadian Conference on Computing in Civil and Building Engineering, Montreal, Quebec, August 26-28, pp. 659-677.

Krahn, J., Lam, L., and Fredlund, D. G. (1996). “The use of finite element computed pore-water pressures in a slope stability analysis”. Proceedings of the Seventh International Symposium on Landslides, A.A. Balkema, Trondheim, Norway, June 17-21, pp. 1277-1282.

Lam, L., and Fredlund, D. G. (1996). “Appropriate intercolumn force functions and lambda values for three - dimensional slope stability analysis”. Proceedings of the Seventh International Symposium on Landslides, A.A. Balkema, Trondheim, Norway, June 17-21, pp. 1283-1288.

Skibinsky, D., and Fredlund, D. G. (1996). “A centrifuge method to obtain the soil-water characteristic curve”. Proceedings of the 49th Canadian Geotechnical Conference, St. Johns, Newfoundland, September 23-25, Vol. 2, pp. 753-760.

Stoicescu, J. T., Haug, M. D., and Fredlund, D. G. (1996). “The soil-water characteristics and pore-size distribution of a sand-bentonite mixture”. Proceedings of the 49th Canadian Geotechnical Conference, September 23-25, St. Johns, Newfoundland, Vol. 2, pp. 721-728.

Vanapalli, S. K., Fredlund, D. G., and Barbour, S. L. (1996). “A rationale for an extended soil-water characteristic curve”. Proceedings of the 49th Canadian Geotechnical Conference, St. Johns, Newfoundland, September 23-25, Vol. 1, pp. 457-464.

JOURNAL RESEARCH PAPERS (1997) Back to top

Fredlund, D. G., Gan, J. K.-M., Guan, Y., and Richardson, N. (1997). “Suction measurement on a Saskatchewan soil using a direct measurement, high suction sensor”. Transportation Research Record 1596, Washington D.C., pp. 84-92.

Guan, Y., and Fredlund, D. G. (1997). "Use of a tensile strength of water for the direct measurement of high soil suction”. Canadian Geotechnical Journal, 34(4), 604-614.

Oloo, S. Y., Fredlund, D. G., and Gan, J. K.-M. (1997). "Bearing capacity of unpaved roads”. Canadian Geotechnical Journal, 34(3), 398-407.

Oloo, S. Y., and Fredlund, D. G. (1997) “Influence of Static Water Table on the bearing Capacity of shallow foundations”. Re: Paper for Publication in the ASCE Journal of Geotechnical and Geoenvironmental Engineering”.

Wilson, G. W., Fredlund, D. G., and Barbour, S. L. (1997). "The effect of soil suction on evaporative fluxes from soil surface”. Canadian Geotechnical Journal, 34(4), 145-155.

CONFERENCE RESEARCH PAPERS (1997)

Fredlund, D. G. (1997). "An introduction to unsaturated soil mechanics”. ASCE Geotechnical Engineering Division, GeoLogan Conference, Special Geotechnical Publication (68)1-37, Logan, Utah.

Fredlund, D. G. (1997). “From theory to the practice of unsaturated soil mechanics”. Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, Invited Lecture, Rio de Janeiro, April 22-26, Vol. 2. pp. 311-332.

Fredlund, M. D., Fredlund, D. G., and Wilson, G. W. (1997). “Estimation of unsaturated soil properties using a knowledge-based system”. Proceedings of the Fourth Congress on Computing in Civil Engineering, ASCE, Philadelphia, PA, June 16-18, pp. 501-510.

Fredlund, M. D., Fredlund, D. G., and Wilson, G. W. (1997). “Prediction of the soil-water characteristic curve from grain-size distribution and volume-mass properties”. Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, NSAT '97, Rio de Janeiro, Brazil, April 22-25, Vol. 1, pp. 13-23.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (1997). “Estimation of hydraulic properties of an unsaturated soil using a knowledge-based system”. International Workshop, Characterization and Measurement of the Hydraulic Properties of an Unsaturated Media, Riverside, California, October 22-24.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (1997). “Indirect procedures to determine unsaturated soil property functions”. Proceedings of the 50th Canadian Geotechnical Conference, Golden Jubilee, Ottawa, Canada, October 20-22, Vol. 1, pp. 407-414.

Fredlund, D. G., and Xing, A. (1997). “The use of a rheological model for the visualization of unsaturated soil processes”. Proceedings of the Sixth National Congress on Mechanics, Hanoi, Vietnam, December 3-5, pp. 221-227.

Guan, Y., and Fredlund, D. G. (1997). “Direct measurement of high soil suction”. Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, NSAT '97, Rio de Janeiro, Brazil. April 22-25, Vol. 2. pp. 543-550.

Kasim, F. B., Fredlund, D. G., and Gan, J. K.-M. (1997). “The effect of steady state rainfall on long term matric suction conditions in soil”. Proceedings of the Slope Engineering in Hong Kong Conference, HKIE Geotechnical Division Annual Seminar, Hong Kong, May 2, pp. 75-82.

Newman, L. L., Barbour, S. L., Fredlund, D. G., and Smith, T. (1997). “Mechanism for preferential flow in vertically layered, unsaturated waste rock”. Proceedings of the 50th Canadian Geotechnical Conference, Golden Jubilee, Ottawa, Canada, October 20-22, pp. 201-208.

Newman, L. L., Herasymuik, G. M., Barbour, S. L., Fredlund, D. G., and Smith, T. (1997). “The hydrology of waste rock dumps and a mechanism for unsaturated preferential flow”. Proceedings of the International Conference on Acid Rock Drainage, Vancouver, B.C, May 31-June 6, Vol. 2, pp. 551-565.

Oloo, S. Y., Fredlund, D. G., and Gan, J. K.-M. (1997). “Shear strength design of thin pavements and unbound roads”. Proceedings of the International Symposium on Thin Pavements, Surface Treatments, Unbound Roads, University of New Brunswick, Fredericton, New Brunswick, June 24-25, pp. 135-142.

Pereira, J. H. F., and Fredlund, D. G. (1997). “Constitutive modelling of a metastable-structured compacted soil”. Proceedings of the International Symposium on Recent Developments in Soil and Pavement Mechanics, Rio de Janeiro, Brazil, June 25-27, pp. 317-326.

Shuai, F., and Fredlund, D. G. (1997). “Measured and simulated behavior of an expansive soil”. Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, NSAT '97, Rio de Janeiro, Brazil, April 22-25, Vol.1, pp. 253-260.

Tang, X. G., Graham, J., and Fredlund, D. G. (1997). “Effect of osmotic suction on strength of unsaturated highly plastic clays”. Proceedings of the 50th Canadian Geotechnical Conference, Golden Jubilee, Ottawa, Canada, Vol. 2, October 20-22, pp. 641-648.

Vanapalli, S. K., and Fredlund, D. G. (1997). “Interpretation of undrained shear strength of unsaturated soils in terms of stress state variables”. Proceedings of the 3rd Brazilian Symposium on Unsaturated Soils, NSAT '97, Rio de Janeiro, Brazil, April 22-25, Vol. 1, pp. 35-45.

Vanapalli, S. K., Fredlund, D. G., and Pufahl, D. E. (1997). “Comparison of saturated-unsaturated shear strength and hydraulic conductivity behavior of a compacted sandy clay till”. Proceedings of the 50th Canadian Geotechnical Conference, Golden Jubilee, Ottawa, Canada, October 20-22, Vol. 2, pp. 625-632.

Wilson, G. W., Fredlund, D. G., Barbour, S. L., and Pufahl, D. E. (1997). “The use of ground surface moisture flux boundary conditions in geotechnical engineering”. Proceedings of the XIVth International Conference on Soil Mechanics and Foundation Engineering, ISSMFE, Hamburg, Germany, September 6-12, Vol. 3, pp. 1861-1864.

JOURNAL RESEARCH PAPERS (1998) Back to top

Huang, S., Barbour, S. L., and Fredlund, D. G. (1998). "Development and verification of a coefficient of permeability function for a deformable, unsaturated soil”. Canadian Geotechnical Journal, 35(3), 411-425.

Huang, S., Fredlund, D. G., and Barbour, S. L. (1998). "Measurement of the coefficient of permeability for a deformable unsaturated soil using a triaxial permeameter". Canadian Geotechnical Journal, 35(3), 426-432.

Kodikara, J., Barbour, S. L., and Fredlund, D. G. (1998). "An idealized framework for the analysis of cohesive soils under desiccation”. Discussion on, 36(6), 1112-1114.

Lim, P. C., Barbour, S. L., and Fredlund, D. G. (1998). "The influence of the degree of saturation on the coefficient of aqueous diffusion”. Canadian Geotechnical Journal, 35(5), 811-827.

Shuai, F., and Fredlund, D. G. (1998). "Model for the simulation of swelling pressure measurements on expansive soils”. Canadian Geotechnical Journal, 35(1), 96-114.

Wong, T. T., Fredlund, D. G., and Krahn, J. (1998). "A numerical study of coupled consolidation in unsaturated soils”. Canadian Geotechnical Journal, 35(6), 926-937.

Wulfson, D., Adams, B. A., and Fredlund, D. G. (1998). "Triaxial testing of unsaturated agricultural soils”. Journal of Agricultural Engineering Research, 69, 317-330.

CONFERENCE RESEARCH PAPERS (1998)

Cook, D. L., and Fredlund, D. G. (1998). “TDR matric suction measurements”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp.338-343.

Feng, M., Gan, J. K.-M., and Fredlund, D. G. (1998). “A laboratory study of swelling pressure using various test methods”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30Vol. 1, pp. 350-355.

Fredlund, D. G. (1998). “Bringing unsaturated soil mechanics into engineering practice”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Invited Lecture, Beijing, China, August 27-30, Vol. 2, pp. 1-36.

Fredlund, D. G. (1998). “The practice of unsaturated soil mechanics”. Proceedings of the XI Danube-European Conference on Soil Mechanics and Foundation Engineering, Keynote Lecture, Porec, Croatia. May 25-29, pp. 29-50.

Fredlund, D. G., Shuai, F., Yazdani, J., and Feng, M. (1998). “Recent developments of a sensor for the in situ measurement of matric suction”. Proceedings of the 51st Canadian Geotechnical Conference, Edmonton, Alberta, October 4-7, Vol. 1, pp. 81-86.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (1998). “Estimation of hydraulic properties of an unsaturated soil using a knowledge-based system”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1. pp. 479-484.

Guan, Y., Fredlund, D. G., and Gan, J. K.-M. (1998). “Behavior of water subjected to high tensile stress”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 356-361.

Kasim, F. B., Fredlund, D. G., and Gan, J. K.-M. (1998). “Effect of steady state rainfall on long term matric suction conditions on slopes”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 78-83.

Newman, L. L., Barbour, S. L., and Fredlund, D. G. (1998). “Preferential flow in vertically layered unsaturated soil systems”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 586-589.

Nishimura, T., Fredlund, D. G., and Gan, J. K.-M. (1998). “The shear strength of an unsaturated soil subjected to one-dimensional compression”. Proceedings of the Second International Conference on Unsaturated Soils, Beijing, China, August 27-30, Vol. 2.

Shuai, F., and Fredlund, D. G. (1998). “Theoretical model for the simulation of the swelling process and its application”. Proceedings of the Second International Conference on Unsaturated soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 509-514.

Stoicescu, J. T., Haug, M. D., and Fredlund, D. G. (1998). “The soil-water characteristics of sand-bentonite mixtures used for liners and covers”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 143-148.

Vanapalli, S. K., Pufahl, D. E., and Fredlund, D. G. (1998). “Effect of compaction on the unsaturated shear strength behavior of compacted till”. Proceedings of the Second International Conference on Unsaturated soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 161-166.

Vanapalli, S. K., Pufahl, D. E., and Fredlund, D. G. (1998). “The effect of stress state on the soil-water characteristic behavior of a compacted sandy clay till”. Proceedings of the 51st Canadian Geotechnical conference, Edmonton, Alberta, October 4-7, Vol. 1, pp. 87-94.

Wang, Q., Huang, S., Ke, Z. J., Fan, Q., Chen, Z., and Fredlund, D. G. (1998). “Long term field monitoring of climatic impact on matric suction and ground movement in Nanning, China”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 444-449.

Zheng-han., C., Haiqing, Z., Fredlund, D. G., and Gan, J. K.-M. (1998). “A non-linear model for unsaturated soils”. Proceedings of the Second International Conference on Unsaturated Soils, UNSAT2, Beijing, China, August 27-30, Vol. 1, pp. 461-466.

JOURNAL RESEARCH PAPERS (1999) Back to top

Chen, Z. H., Fredlund, D. G., and Gan, J. K.-M. (1999). "Overall volume change, water volume change and yield associated with an unsaturated compacted loess”. Canadian Geotechnical Journal, 36(2), 321-329.

Fredlund, D. G., Scoular, E. G., and Vu, H. Q. (1999). "Using finite element stress analysis for normal and actuating shear stresses in slope stability analysis”. Vietnamese Geotechnical Journal, ISSN-0868-279X, NAM THU BA, S02-1999, 8-14.

Guan, Y., and Fredlund, D. G. (1999). Reply to Discussion: "Use of tensile strength of water for the direct measurement of high soil suction”. Canadian Geotechnical Journal, 36(1), 181.

Nishimura, T., Hirabayashi, Y., Fredlund, D. G., and Gan, J. K.-M. (1999). "Influence of stress history on the strength parameters of an unsaturated statically compacted soil”. Canadian Geotechnical Journal, 36(2), 251-261.

Trinh, T. M., and Fredlund, D. G. (1999). "Subsidence due to pumping water ground in Hanoi City, Vietnam”. Vietnamese Geotechnical Journal, ISSN-0868-279X, NAM THU BA, S02-1999, 15-19.

Vanapalli, S. K., Fredlund, D. G., and Pufahl, D. E. (1999). "The influence of soil structure and stress history on the soil-water characteristics of a compacted till”. Geotechnique, XLIX(2), 143-159.

Zakerzadeh, N., Fredlund, D. G., and Pufahl, D. E. (1999). "Interslice force functions for computing active and passive earth force”. Canadian Geotechnical Journal, 36(6), 1015-1029.

CONFERENCE RESEARCH PAPERS (1999)

Feng, M., and Fredlund, D. G. (1999). “Hysteretic influence associated with thermal conductivity sensor measurements”. Proceedings of the 52nd Canadian Geotechnical Conference, Regina, Saskatchewan, October 24-27, pp. 651-657.

Fredlund, D. G., (1999). “Methodology and experience in conducting geotechnical research”. Presented at the Vietnamese Geotechnical Institute, Hanoi, Vietnam, May 1999.

Fredlund, D. G., Pentland, J., and Fredlund, M. D. (1999). “Use of a knowledge-based system in the design, construction and management of pipelines”. Proceedings of the 18th International Offshore Mechanics and Arctic Engineering Conference (OMAE 99), St. Johns, Newfoundland, Canada, July 11-16.

Fredlund, D. G., and Scoular, R. E. G. (1999). “Using limit equilibrium concepts in finite element slope stability analysis”. Proceedings of the International Symposium on Slope Stability Engineering – IS – Shikoku '99, Keynote Paper, Matsuyama, Shikoku, Japan, November 8-11, pp. 31-47.

Fredlund, D. G., Scoular, R. E. G., and Zakerzadeh, N. (1999). “Using a finite element stress analysis to compute the factor of safety”. Proceedings of the 52nd Canadian Geotechnical Conference, Regina, Saskatchewan, October 24-27, pp. 73-80.

Kasim, F., Fredlund, D. G., and Kassim, K. A. (1999). “Permeability functions for unsaturated residual soils”. Proceedings of the World Engineering Congress ‘99- Towards the Engineering Vision: Global Challenges & Issues, Kuala Lumpar, Malaysia, July 19-22, pp. 249-256.

Khanzode, R. M., Fredlund, D. G., and Vanapalli, S. K. (1999). “An alternative method for the measurement of soil-water characteristic curves for fine-grained soils”. Proceedings of the 52nd Canadian Geotechnical Conference, Regina, Saskatchewan, October 24-27, pp. 623-630.

Kodikara, J. K., Barbour, S. L., and Fredlund, D. G. (1999). “Changes in clay structure and behavior due to wetting and drying”. Proceedings of the 8th Australian-New Zealand Conference on Geomechanics, Hobart, Tasmania. February 15-17, pp. 179-186.

Nishimura, T., and Fredlund, D. G. (1999). “Unconfined compression shear strength of an unsaturated silty soil subjected to high total suction”. Proceedings of the International Symposium on Slope Stability Engineering – IS - Shikoku '99, Matsuyama, Shikoku, Japan, November 8-11, pp. 757-762.

Nishimura, T., Fredlund, D. G., Gan, J. K.-M., and Hirabayashi, Y. (1999). “Total stress ratio and shear strength parameters for an unsaturated compacted soil”. Proceedings of the 11th Asian Regional Conference, Korea, Seoul, Korea, August 16-20, pp. 125-128.

Pereira, J. H. F., and Fredlund, D. G. (1999). “Numerical analysis of the post-filling performance of small collapsing dams”. Proceedings of the Eleventh Pan American Conference on Soil Mechanics and Geotechnical Engineering, Iguanzu Falls, Brazil, August 8-12, Vol. 3, pp. 1129-1140.

Pereira, J. H. F., and Fredlund, D. G. (1999). “Shear strength behavior of a residual soil of gneiss compacted at metastable-structured conditions”. Proceedings of the Eleventh Pan American Conference on Soil Mechanics and Geotechnical Engineering, Iguanzu Falls, Brazil, August 8-12, Vol. 1, pp. 369-377.

Trinh, T. M., and Fredlund, D. G. (1999). “Subsidence in the City of Hanoi, Vietnam”. Proceedings of the Canadian Society of Civil Engineers Annual Conference, Regina, Saskatchewan, Canada, June 2-5.

Vanapalli, S. K., and Fredlund, D. G. (1999). “Empirical procedures to predict the shear strength of unsaturated soils”. Proceedings of the 11th Asian Regional Conference, Seoul, Korea, August 16-20, pp. 93-96.

Vanapalli, S. K., Fredlund, D. G., and Pufahl, D. E. (1999). “Relationship between soil-water characteristic curves and the as - compacted water content versus soil suction for a clay till”. Proceedings of the Eleventh Pan American Conference on Soil mechanics and Geotechnical Engineering, Iguanzu Falls, Brazil, August 8-12, pp. 991-998.

Vanapalli, S. K., Pufahl, D. E., and Fredlund, D. G. (1999). “Interpretation of the shear strength of unsaturated soils in undrained loading conditions”. Proceedings of the 52th Canadian Geotechnical Conference, Regina, Saskatchewan, October 24-27, pp. 643-650.

Zakerzadeh, N., Fredlund, D. G., and Pufahl, D. E. (1999). “Suitable interslice force functions to solve lateral earth force problems”. Proceedings of the Eleventh Pan American Conference on Soil Mechanics and Geotechnical Engineering, Iguanzu Falls, Brazil, August 8-12, Vol. 3, pp. 1297-1304.

JOURNAL RESEARCH PAPERS (2000) Back to top

Fredlund, D. G. (2000). "The 1999 R.M. Hardy Lecture: The implementation of unsaturated soil mechanics into geotechnical engineering, - R.M. Hardy Address”. Canadian Geotechnical Journal, 37(5), 963-986.

Fredlund, D. G. (2000). “Methodology and experience in conducting geotechnical engineering research” Vietnam Geotechnical Journal, Vol. 1, 2-7.

Fredlund, M. D., Fredlund, D. G., and Wilson, G. W. (2000). "An equation to represent grain-size distribution”. Canadian Geotechnical Journal, 37(4), 817-827.

Pereira, J. H. F., and Fredlund, D. G. (2000). Reply to “Discussion on volume change behaviour of collapsible compacted gneiss soil”. ASCE, Geotechnical and Geoenvironmental Engineering Journal, 126(10), 907-916.

Trinh, T. M., and Fredlund, D. G. (2000). "Modelling subsidence in the Hanoi city area, Vietnam”. Canadian Geotechnical Journal, 37(3), 621-637.

CONFERENCE RESEARCH PAPERS (2000)

Fredlund, D. G. (2000). “Historical development and milestones in unsaturated soil mechanics”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Keynote Address, Singapore, May 18-19, pp. 53-68.

Fredlund, D. G., Shuai, F., and Feng, M. (2000). “Increased accuracy in suction measurement using an improved thermal conductivity sensor”. Proceedings of the Seventh International Conference on Tailings and Mine Waste, Fort Collins, Colorado, January 23-26, pp. 443-450.

Fredlund, D. G., Shuai, F., and Feng, M. (2000). “Use of a new thermal conductivity sensor for laboratory suction measurement”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 275-280.

Fredlund, D. G., Vu, H. Q., and Thieu, N. T. M. (2000). “A component system approach to solving saturated-unsaturated soil problems”. Proceedings of the Canadian Society for Civil Engineering, 28th Annual Conference, London, Ontario, June 7-10, pp. 448-455.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (2000). “Use of a grain-size functions in unsaturated soil mechanics”. Proceedings of the GeoDenver Conference, Denver, Colorado, August 3-8, pp. 69-83.

Fredlund, M. D., Fredlund, D. G., and Wilson, G. W. (2000). “Estimation of volume change functions for unsaturated soils”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 663-668.

Gan, J -K.-M., and Fredlund, D. G. (2000). “A new laboratory method for the measurement of the unsaturated coefficients of permeability of soils”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 381-386.

Khanzode, R. M., Fredlund, D. G., and Vanapalli, S. K. (2000). “A new test procedure to measure the soil-water characteristic curve using a small scale centrifuge”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Balkema, Singapore, May 18-19, pp. 335-340.

Kodikara, J. K., Barbour, S. L., and Fredlund, D. G. (2000). “Desiccation cracking of soil layers”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Balkema, Singapore, May 18-19, pp. 693-698.

Nishimura, T., and Fredlund, D. G. (2000). “Relationship between shear strength and matric suction in unsaturated silty soil”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 563-568.

Nishimura, T., and Fredlund, D. G. (2000). “Unconfined compressive strength of a silty soil and kaolin below the residual state”. Proceedings of the GeoDenver Conference, Denver, Colorado, August 3-8, pp. 262-274.

Shuai, F., and Fredlund, D. G. (2000). “Use of a new thermal conductivity sensor to measure soil suction”. Proceedings of the GeoDenver Conference, Denver, Colorado, August 3-8, pp. 1-12.

Thieu, N. T. M., Fredlund, D. G., and Vu, H. Q. (2000). “General partial differential equation solvers for saturated-unsaturated seepage”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 201-206.

Vanapalli, S. K., and Fredlund, D. G. (2000). “Comparison of different procedures to predict unsaturated soil shear strength”. Proceedings of the GeoDenver Conference, Denver, Colorado, August 3-8, pp. 195-209.

Vanapalli, S. K., and Fredlund, D. G. (2000). “Shear strength behaviour of a silty soil over the entire suction range from 0 to 1,000,000 kPa”. Proceedings of the 53th Canadian Geotechnical Conference, Montreal, Quebec, October 15-18, Vol. 2, pp. 1161-1168.

Vu, H. Q., and Fredlund, D. G. (2000). “Volume change predictions in expansive soils using a two-dimensional finite element method”. Proceedings of the Asian Conference in Unsaturated Soils, UNSAT ASIA 2000, Singapore, May 18-19, pp. 231-236.

Wilson, J. A., Wilson, G. W., and Fredlund, D. G. (2000). “Numerical modeling of vertical and inclined waste rock layers”. Proceedings of the ICARD 2000, Denver, Colorado, May 21-24, Vol. 1, pp. 257-268.

JOURNAL RESEARCH PAPERS (2001) Back to top

Pereira, J. H. F., and Fredlund, D. G. (2001). “Volume change behaviour of collapsible compacted gneiss soil”. ASCE Journal of Geotechnical and Geoenvironmental Engineering, 126, 907-916.

Sillers, W. S., and Fredlund, D. G. (2001). "Statistical assessment of soil-water characteristic curve models for geotechnical engineering”. Canadian Geotechnical Journal, 38(6), 1297-1313.

Sillers, W. S., Fredlund, D. G., and Zakerzadeh, N. (2001). "Mathematical attributes of some soil-water characteristic curve models”. Geotechnical and Geological Engineering Journal, Special Issue on Unsaturated and Collapsible Soils, 19, 243-283.

CONFERENCE RESEARCH PAPERS (2001)

Fredlund, D. G. (2001). “Ensuring a sound scientific basis for geotechnical engineering in developing and developed countries”. Proceedings of the International Conference on Management of the Land and Water Resources, Hanoi, Vietnam, October 20-22, pp. 3-20.

Fredlund, D. G., and Houston, S. L. (2001). “Laboratory techniques for unsaturated soils”. Proceedings of the 15th International Conference on Soil Mechanics and Geotechnical Engineering, Istanbul, Turkey, Aug. 27-31, Vol. 4, pp. 2913-2914.

Fredlund, D. G., and Vu, H. Q. (2001). “Prediction of volume change in an expansive soil as a result of vegetation and environmental changes”. Proceedings of the ASCE Conference on Expansive Clay Soils and Vegetative Influences on Shallow Foundations, Geotechnical Special Publication, Houston, Texas, Oct. 10-13, Vol. 115, pp. 24-43.

Fredlund, D. G., Fredlund, M. D., and Zakerzadeh, N. (2001). “Predicting the permeability function for unsaturated soils”. Proceedings of the International Symposium on Suction, Swelling, Permeability and Structured Clays, IS-Shizuoka, Shizuoka, Japan, January 11-13, pp. 215-222.

Fredlund, D. G., Rahardjo, H., Leong, E. C., and Ng, C. W. W. (2001). “Suggestions and recommendations for the interpretation of soil-water characteristic curves”. Proceedings of the 14th Southeast Asian Geotechnical Conference, Hong Kong, December 10-14, Vol. 1, pp. 503-508.

Fredlund, D. G., Ng, C. W. W., Rahardjo, H., and Leong, E. C. (2001). “Unsaturated soil mechanics: Who Needs It?” Geotechnical News, Bi–Tech Publishers, December 2001, pp. 43-45.

Fredlund, D. G., Wilson, G. W. and Barbour, S. L. (2001) “ Unsaturated soil mechanics and property assessment”. Book titled Geotechnical and Geoenvironmental Engineering Handbook by R. K. Rowe.

Leong, E. C., Rahardjo, H., and Fredlund, D. G. (2001). “Application of unsaturated soil mechanics in geotechnical engineering”. Proceedings of the 8th East Asian Pacific Conference on Structural Engineering and Construction, December 5-7, Singapore.

Marjerison, B., Richardson, N., Widger, A., Fredlund, D. G., and Berthelot, C. (2001). “Installation of sensors and measurement of soil suction below thin membrane surface pavements in Saskatchewan”. Proceedings of the 54th Canadian Geotechnical Conference, Calgary, Alberta, September 16-19, pp. 1328-1334.

Nishimura, T., and Fredlund, D. G. (2001). “Failure envelope of a desiccated, unsaturated silty soil”. Proceedings of the XVth International Conference on Soil Mechanics and Foundation Engineering, Istanbul, Turkey, August 27-31, pp. 615-618.

Pentland, J., Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2001). “Use of a general partial equation solver for solution of heat and mass transfer problems in geotechnical engineering”. Proceedings of the 4th Brazilian Symposium on Unsaturated Soils, NSAT 2001, Porto Alegre, RS, Brazil, March 20-24, pp. 29-36.

Pham, H. Q., Fredlund, D. G., and Barbour, S. L. (2001). “Evaluation of physically based hysteresis models soil-water characteristic curve”. Proceedings of the International Conference on Management of the Land and Water Resources, Hanoi, Vietnam, October 20-22, pp. 41-48.

Pham, H. T. V., Fredlund, D. G., and Gitirana, de F. N. G. Jr. (2001). “Slope stability analysis using dynamic programming combined with finite element stress analysis”. Proceedings of the International Conference on Management of Land and Water Resources, Hanoi, Vietnam, October 20-22, pp. 107-114.

Rykaart, F. M., Wilson, G. W., Fredlund, D. G., and Currey, N. A. (2001). “A spatial flux boundary model for tailing dams”. Proceedings of the 54th Canadian Geotechnical Conference, Calgary, Alberta, September 16-19, pp. 1102-1109.

Thieu, N. T. M., Fredlund, M. D., Fredlund, D. G., and Vu, H. Q. (2001). “Seepage modelling in a saturated/unsaturated soil system”. Proceedings of the International Conference on Management of the Land and Water Resources, Hanoi, Vietnam, October 20-22, pp. 49-56.

Vu, H. Q., and Fredlund, D. G. (2001). “Prediction of heave using a general partial differential equation solver”. Proceedings of the 10th International Conference on Computer Methods and Advances in Geomechanics, Tucson, Arizona, January 7-12, Vol. 1, pp. 813-818.

Vu, H. Q., Fredlund, D. G., and Pereira, J. H. F. (2001). “Analysis of swelling behavior of soil by a coupled solution”. Proceedings of the International Conference on Management of the Land and Water Resources, Hanoi, Vietnam, October 20-22, pp. 94-103.

JOURNAL RESEARCH PAPERS (2002) Back to top

Feng, M., Fredlund, D. G., and Shuai, F. (2002). "A laboratory study of the hysteresis of a thermal conductivity soil suction sensor”. Geotechnical Testing Journal, 25(3), 303-314.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (2002). "Use of grain-size distribution for the estimation of the soil-water characteristic curve”. Canadian Geotechnical Journal, 39(5), 1103-1117.

Fredlund, M. D., Fredlund, D. G., and Wilson, G. W. (2002). Reply to:“An equation to represent grain-size distribution;” Canadian Geotechnical Journal, 39: 1437-1438.

Khanzode, R. M., Vanapalli, S. K., and Fredlund, D. G. (2002). "Measurement of soil-water characteristic curves for fine-grained soils using a small scale centrifuge”. Technical Note, Canadian Geotechnical Journal, 39(5), 1209-1217.

Kodikara, J. K., Barbour, S. L., and Fredlund, D. G. (2002). "Structure development in surficial heavy clay soils: A synthesis of mechanisms”. Australian Geomechanics, 37(3), 25-40.

Meilani, I., Rahardjo, H., Leong, E. C., and Fredlund, D. G. (2002). "Mini suction probe for matric suction measurements”. Technical Note, Canadian Geotechnical Journal, 39, 1427-1432.

Tripathy, S., Rao, K. S. S., and Fredlund, D. G. (2002). "Water content-void ratio swell-shrink paths of compacted expansive soils”. Canadian Geotechnical Journal, 39(4), 938-959.

Wang, Q., Pufahl, D. E., and Fredlund, D. G. (2002). "A study of critical state on an unsaturated silty soil”. Canadian Geotechnical Journal, 39(1), 213-218.

CONFERENCE RESEARCH PAPERS (2002)

Fredlund, D. G. (2002). “ Everyone has story to tell, Part 1:Vietnam-the beautiful; A part of the life of a geotechnical engineer”. Geotechnical News, GeoSpec, Bi-Tech Publishing, Vancouver, B.C.

Fredlund, D. G. (2002). “Collaboration on geotechnical engineering and research”.Part 2: Vietnam-the beautiful; A Part of the life of a Geotechnical Engineer, Geotechnical News, GeoSpec, Bi-Tech Publishing, Vancouver, B.C.

Fredlund, D. G. (2002). “Time for the underprivileged in Vietnam”.Part 3:Vietnam-the beautiful; A Part of the Life of a Geotechnical Engineer, Geotechnical News, GeoSpec, Bi-Tech Publishing, Vancouver, B.C.

Fredlund, D. G., and Vanapalli, S. K. (2002). “Shear strength of unsaturated soils”. Book Section in Agronomy Society of America: pp. 329-361.

Fredlund, D. G. (2002). “Use of the soil-water characteristic curve in the implementation of unsaturated soil mechanics”. Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, Keynote Address, Recife, Brazil, March 10-13, Vol. 3, pp. 887-902.

Fredlund, M. D., Wilson, G. W., and Fredlund, D. G. (2002). “Representation and estimation of the shrinkage curve”. Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, Recife, Brazil, March 10-13, pp.145-149.

Fredlund, D. G. (2002). “Relevance of unsaturated soil mechanics in geotechnical engineering”. Proceedings of the Cuban Geotechnical Symposium, Havana, Cuba, September 24-26.

Fredlund, D. G. (2002). “Teaching unsaturated soil mechanics as part of the undergraduate civil engineering curriculum”. Proceedings of the Keynote Address in the Second Pan American Conference on the Teaching Learning Process of Geotechnical Engineering, Quayaquil, Ecuador, Nov. 26-27.

Nishimura, T., and Fredlund, D. G. (2002). “Hysteresis effects resulting from drying and wetting under relatively dry conditions”. Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, Recife, Brazil, pp. 301-305.

Pereira, J. H. F., Gitirana, de F. N. G. Jr., Fredlund, D. G., and Cordao Neto, M. P. (2002). “Anisotropic stress-strain law for wetting-induced soil collapse”. Proceedings of the Third International Conference on Unsaturated Soils, Recife, Brazil, March 10-13, pp. 151-157.

Pham, H. Q., Fredlund, D. G., and Barbour, S. L. (2002). “A simple soil-water hysteresis model for predicting the boundary wetting curve”. Proceedings of the 55th Canadian Geotechnical Conference, Ground and Water - Theory to Practice, Niagara Falls, Ontario, October 20-23, pp. 1261-1267.

Shuai, F., Clements, C., Ryland, L., and Fredlund, D. G. (2002). “Some factors that influence soil suction measurements using a thermal conductivity sensor”. Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, Recife, Brazil, March 10-13, pp. 325-329.

Vu, H. Q., Fredlund, D. G., and Pereira, J. H. F. (2002). “Coupled solution for the prediction of volume change in expansive soils”. Proceedings of the Third International Conference on Unsaturated Soils, UNSAT 2002, Recife, Brazil, March 10-13, pp. 181-186.

Vu, H. Q., and Fredlund, D. G. (2002). “Using volume change indices for two-dimensional swelling analysis”. Proceedings of the 55th Canadian Geotechnical Conference, Niagara Falls, Ontario, October 21-23, pp. 505-511.

JOURNAL RESEARCH PAPERS (2003) Back to top

Feng, M., and Fredlund, D. G. (2003). "Calibration of thermal conductivity sensors with consideration of hysteresis". Technical Note, Canadian Geotechnical Journal, 40(5), 1048-1055.

Ng, C. W. W., Zhan, L. T., Bao, C. G., Fredlund, D. G., and Gong, B. W. (2003). "Performance of an unsaturated expansive soil slope subjected to artificial rainfall infiltration”. Geotechnique, 53(2), 143-157.

Pham, H. T. V., and Fredlund, D. G. (2003). "The application of dynamic programming to slope stability analysis”. Canadian Geotechnical Journal, 40(4), 830-847.

Pham, H. Q., Fredlund, D. G., and Barbour, S. L. (2003). "A practical hysteresis model for the soil-water characteristic curve for soils with negligible volume change”. Technical Note, Geotechnique, 53(2), 293-298.

Rahardjo, H., and Fredlund, D. G. (2003). "K_o-Volume change characteristics of an unsaturated soil with respect to various loading paths”. Geotechnical Testing Journal, 26(1), 79-91.

Shuai, F., Fredlund, D. G., and Samarasekera, L. (2003). "Numerical Simulation of water movement in the suction equalization of a thermal conductivity sensor”. ASTM Geotechnical Testing Journal, 26(2), 142-151.

CONFERENCE RESEARCH PAPERS (2003)

Fredlund, D. G., (2003). “Are we approaching the limits of limit equilibrium analyses?” Seminar, Hong Kong University of Science and Technology January 18, Hong Kong.

Fredlund, D. G. (2003). “An illustration of the use of unsaturated soil mechanics in hazard management”. Seminar, University of Science and Technology, Hong Kong, Nov. 8.

Fredlund, D. G. (2003). “Closing Remarks”. Proceedings of the International conference on "From Experimental Evidence Towards Numerical Modeling of Unsaturated Soils", Bauhaus Universitat, Weimar, Germany, September 18-19.

Fredlund, D. G. (2003). “What is the future for slope stability analysis?" Proceedings of the Second Symposium on Unsaturated Soils and Environmental Geotechnics, Budapest, Hungary, Nov. 4-5.

Fredlund, D. G., and Vu, H. Q. (2003). “Numerical modeling of swelling and shrinking soils around slabs – on - ground”. Proceedings of the PTI conference, May 18-20. Huntington Beach, California.

Fredlund, D. G., Barbour, S. L., and Pham, H. Q. (2003). “Evaluation of hysteresis models for predicting the boundary wetting curve”. Proceedings of the Second Asian Conference on Unsaturated Soils, Unsat-Asia 2003, Osaka, Japan, April 15-17, pp. 407-412.

Fredlund, M. D., Fredlund, D. G., Houston, S. L., and Houston, W. B. (2003). “Assessment of unsaturated soil properties for seepage modeling through tailings and mine wastes”. Proceedings of the Tenth International Conference on Tailings and Mine Wastes, Vail, Colorado, Oct. 12-15, pp. 149-157.

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2003). “Analysis of transient embankment stability using the dynamic programming method”. Proceedings of the 56th Canadian Geotechnical Conference, Winnipeg, Manitoba, Sept. 29- Oct.1, Vol. 1, pp. 807-814.

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2003). "From experimental evidence towards the assessment of weather-related railway embankment hazards". Keynote Address, Proceedings of the International conference on From Experimental Evidence Towards Numerical Modeling of Unsaturated Soils, Bauhaus Universitat, Weimar, Germany, Sept. 18-19.

Leong, E. C., Rahardjo, H., and Fredlund, D. G. (2003). “A comparative study of constitutive models for unsaturated soils”. Proceedings of the 2nd Asian Conference on Unsaturated Soils, Osaka, Japan, April 15-17, pp. 41-46.

Ng, C. W. W., Zhan, L. T., Fredlund, D. G., Bao, C. G., and Gong, B. W. (2003). “Rainfall infiltration study of an unsaturated expansive soil slope for the South-to-North Water Transfer Project”. Proceedings of the 2nd Asian Conference on Unsaturated Soils, Unsat-Asia 2003, Osaka, Japan, April 15-17, pp. 127-132.

Nishimura, T., and Fredlund, D. G. (2003). “A new triaxial apparatus for high total suctions using relative humidity”. Proceedings of the 12th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, August 4-8, Vol. 1, pp. 65-68.

Pereira, J. H. F., Cunha, R. P., Fredlund, D. G., and Gitirana, de F. N. G. Jr. (2003). “Analysis of the post-filling performance of small collapsing dams”. Proceedings of the 2nd Asian conference on Unsaturated Soils, April, 15-17, Osaka, Japan, pp. 289-294.

Pham, H. Q., Fredlund, D. G., and Barbour, S. L. (2003). “Estimation of the hysteretic soil-water characteristic curves from the drying boundary curve”. Proceedings of the 56th Canadian Geotechnical Conference, Winnipeg, Manitoba, Sept. 29 - Oct.1, Vol. 2, pp. 115-121.

Pham, H. T. V., and Fredlund, D. G. (2003). “Dynamic programming method in slope stability computations”. Proceedings of the Twelfth Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, August 4-8, Vol. 1, pp. 743-746.

Tan, E., Marjerison, B., and Fredlund, D. G. (2003). “Measurements and analysis of temperature and soil suction below thin membrane surface (TMS) in Saskatchewan”. Proceedings of the 56th Canadian Geotechnical Conference, Winnipeg, Manitoba, Sept. 29 - Oct.1, Vol. 2, pp. 107-114.

Vu, H. Q., and Fredlund, D. G. (2003). “Implementation of soil property functions in volume change analyses in unsaturated soils”. Proceedings of the Twelfth Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, August 4-8, Vol. 1, pp. 27-30.

Vu, H. Q., and Fredlund, D. G. (2003). “Numerical modeling of two-dimensional heave for slabs-on-ground and shallow foundations”. Proceedings of the 56th Canadian Geotechnical Conference, Winnipeg, Manitoba, September 29-October 1, Vol. 1, pp. 220-227.

Vu, H. Q., and Fredlund, D. G. (2003). “Uncoupled and coupled solutions of two-dimensional swelling in expansive soils”. Proceedings of the 2nd Asian Conference on Unsaturated Soils, Osaka, Japan, April 15-17, pp. 53-58.

Wang, Y. H., and Fredlund, D. G. (2003). “Towards a better understanding of the role of the contractile skin”. Proceedings of the 2nd Asian Conference on Unsaturated Soils, Osaka, Japan, April 15-17, pp. 419-424.

Zhang, L. L., Zhang, L. M., Fredlund, D. G., and Tang, W. H. (2003). “Effect of rainfall intensity and duration on soil suction for two Hong Kong soils”. Proceedings of the Slope Engineering Conference, Hong Kong , December, 8-10.

Zhang, L., and Fredlund, D. G. (2003). “Characteristics of water retention curves for unsaturated fractured rocks”. Proceedings of the 2nd Asian conference on Unsaturated Soils, Osaka, Japan, April 15-17, pp. 425-428.

JOURNAL RESEARCH PAPERS (2004) Back to top

Fredlund, D. G., and Vu, H. Q. (2004). “Numerical modeling of swelling and shrinkage around slab-on-ground”. Post-tensioning Institute Journal, January Issue.

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2004). "Soil-water characteristic curve equation with independent parameters”. Technical Note, ASCE Journal of Geotechnical and Geoenvironmental Engineering, 130(2), 209-212.

Tami, D., Rahardjo, H., Leong, E. C., and Fredlund, D. G. (2004). "Design and laboratory verification of a physical model of sloping capillary barrier". Canadian Geotechnical Journal, 41, 814-830.

Tami, D., Rahardjo, H., Leong, E. C., and Fredlund, D. G. (2004). "A physical model for slopping capillary barriers”. Geotechnical Testing Journal, 27(2), 173-183.

Vu, H. Q., and Fredlund, D. G. (2004). "The prediction of one, two- and three-dimensional heave in expansive soils”. Canadian Geotechnical Journal, 41(4), 713-737.

Yang, H., Rahardjo, H., Leong, E. C., and Fredlund, D. G. (2004). "Factors affecting drying and wetting soil-water characteristic curves of sandy soils”. Canadian Geotechnical Journal, 41, 908-920.

Yang, H., Rahardjo, H., Leong, E. C., and Fredlund, D. G. (2004). "A study of infiltration on three sand capillary barriers”. Canadian Geotechnical Journal, 41(4), 629-643.

Zhang, L. L., Fredlund, D. G., Zhang, L. M., and Tang, W. H. (2004). "Numerical study of soil conditions under which matric suction can be maintained”. Canadian Geotechnical Journal, 41(4), 569 - 582.

CONFERENCE RESEARCH PAPERS (2004)

Brito, C. C., Pereira, J. H. F., Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2004). “Transient stability analysis of a collapsible dam using dynamic programming combined with finite element stress state fields”. Proceedings of the 9th International Symposium on Landslides, Rio de Janeiro, Brazil, June 28- July 2, Vol. 2, pp. 1079-1084.

Ebrahimi-B, N., Gitirana, de F. N. G. Jr., Fredlund, D. G., Fredlund, M. D., and Samarasekera, L. (2004). “A lower limit for the water permeability coefficient”. Proceedings of the 57th Canadian Geotechnical Conference, Quebec city, Oct. 24-27, pp. 12-19.

Fredlund, D. G. (2004). “Laboratory testing of unsaturated soils for the soil-water characteristic curve”. Proceedings of the 83rd Annual Transportation Research Board Meeting, Invited Lecture, Session 452; Applications of Unsaturated Soil Mechanics in Transportation Projects, Sponsored by Committee on Engineering Behavior of Unsaturated Soils (A2L06), PowerPoint Presentation, Washington, D. C. January 11-15.

Fredlund, D. G. (2004). “Description of the stress state in soils”. Special Lecture, Kobe University, Kobe, Japan, Nov. 25.

Fredlund, D. G. (2004). “Challenges of using unsaturated soil mechanics in engineering practice”. Special Lecture, Tokyo Geotechnical Society, Japan. Nov. 30.

Padilla, J. M., Perera, Y. Y., and Fredlund, D. G. (2004). “Performance of Fredlund thermal conductivity sensor”. Proceedings of the Eleventh Tailings and Mine Waste Conference, Vail, Colorado, Oct. 10 -13, pp. 125-133.

Perera, Y. Y., Padilla, J. M., and Fredlund, D. G., Eng, O. C. (2004). “Measurement of soil suction in situ using the Fredlund thermal conductivity sensor”. Presentation Material for Mining and Waste Management Short Course, Vail, CO, October 10.

Pham, H., Fredlund, D. G., and Padilla, J. M. (2004). “Use of the GCTS apparatus for the measurement of soil-water characteristic curves”. Proceedings of the 57th Canadian Geotechnical Conference, Quebec City, Quebec, Oct. 24-27, pp. 1-6.

Stianson, J. R., Chan, D., and Fredlund, D. G. (2004). “Comparing slope stability analysis based on linear elastic or elasto plastic stresses using dynamic programming techniques”. Proceedings of the 57th Canadian Geotechnical Conference, Quebec City, Quebec, Oct. 24-27, pp. 23-30.

Tan, E., Fredlund, D. G., and Marjerison, B. (2004). “Long-term measurements of matric suction and temperature using thermal conductivity sensors”. Proceedings of the 83rd Annual Transportation Research Board Meetings, Session 410, Practical Uses of Soil Suction in Transportation Engineering, Sponsored by Committee on Engineering Behavior of Unsaturated Soils (A2L06), Paper #04-3016, Compendium of Papers, CD-ROM, Washington, D. C., January 11-15.

Tan, E., Fredlund, D. G., and Gitirana, de F. N. G. Jr. (2004). “Comparisons of correction methods for factors changes influencing thermal conductivity sensors”. Proceedings of the Fifth Brazilian Symposium on Unsaturated Soils, Sao Carlos, SP, Brazil, August 25-27, pp. 127-131.

Tan, E., Fredlund, D. G., and Fredlund, M. D. (2004). “Finite element simulations of temperature changes in highway subgrade”. Proceedings of the 57th Canadian Geotechnical Conference, Quebec City, Canada, pp. 23-28.

JOURNAL RESEARCH PAPERS (2005) Back to top

Pereira, J. H. F., Fredlund, D. G., Neto, M. P. C., and Gitirana, de F. N. G. Jr., (2005). "Hydraulic behavior of collapsible compacted gneiss soil”. Journal of Geotechnical and Geoenvironmental Engineering, 131(10), 1264-1273.

Pham, H., Fredlund, D. G., and Barbour, S. L. (2005). "A study of hysteresis models for soil-water characteristic curves”. Canadian Geotechnical Journal, 42(6), 1548-1568.

Reinson, J. R., Fredlund, D. G., and Wilson, G. W. (2005). "Unsaturated flow in coarse porous media”. Technical Note, Canadian Geotechnical Journal, 42, 252-262.

CONFERENCE RESEARCH PAPERS (2005)

Fredlund, D. G. (2005). “Case histories involving a concrete slab placed on an expansive soil”. Workshop on Case Histories in Unsaturated Soil Mechanics and Geotechnical Engineering, Osaka, Japan, Sept. 12-16.

Fredlund, D. G. (2005). “Where are we going in the analysis of landslides?” Proceedings of the 16^th International Conference of Soil Mechanics and Geotechnical Engineering, Osaka, Japan, Sept. 12-16.

Fredlund, D. G., and Vu, H. Q. (2005). “Analysis of case of history involving a concrete slab placed on an expansive soil”. Proceedings of the 16^th International Conference of Soil Mechanics and Geotechnical Engineering, Unsaturated Soils Section, Osaka, Japan. (Power Point Presentation)

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2005). “Evaluation of the Variability of Unsaturated Soil Properties”. Proceedings of the 58th Canadian Geotechnical conference, Saskatoon, Canada, September 18-21, Vol. 2. pp. 128-135.

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2005). “Unsaturated soil mechanics as a series of partial differential equations”. Keynote Address Proceedings of the International Conference on Problematic Soils, Farmagusta, N. Cyprus, May 25-27, pp. 3-30.

Gitirana, de F. N. G. Jr., and Fredlund, D. G. (2005). “The application of unsaturated soil mechanics to the assessment of weather-related geo-hazards”. Proceedings of the 16th International Conference on Soil Mechanics and Foundation Engineering, Osaka, Japan, Sept. 12-16, pp. 2515-2520.

Gitirana, de F. N. G. Jr., Fredlund, M. D., and Fredlund, D. G. (2005). “Infiltration-runoff boundary conditions in seepage analysis”. Proceedings of the 58th Canadian Geotechnical Conference, Saskatoon, Canada, September 18-21, Vol. 2, pp. 516-523.

Kato, S., Yoshimura, Y., and Fredlund, D. G. (2005). “Role of matric suction in the interpretation of unconfined compression tests”. Proceedings of the 58th Canadian Geotechnical Conference, Saskatoon, Canada, September, 18-21, Vol. 2, pp. 410-415.

Padilla, J. M., Perera, Y. Y., Houston, W. N., and Fredlund, D. G. (2005). “A new soil - water characteristic curve device”. Proceedings of Advanced Experimental Unsaturated Soil Mechanics - An International Symposium, EXPERUS 2005, Trento, Italy, June 27 – 29, Austpp. 15-22.

Pham, H., and Fredlund, D. G. (2005). “A volume - mass constitutive model for unsaturated soils”. Proceedings of the 58th Canadian Geotechnical Conference, Saskatoon, Canada, September 18-21, Vol. 2, pp. 173-181.

Te, B., Zhang, L., and Fredlund, D. G. (2005). "A general air-phase permeability function for airflow through unsaturated soils”. Geotechnical Special Publication, No. 130-142, Geo-Frontiers 2005, Austin, Texas, January, 23-26, pp. 2961-2985.

Wilson, G. D. Fredlund, M. D. and Fredlund, D. G. (2005). “The influence of shear strength properties on the stability of rock piles”. 2005 Salt Lake City Annual Meeting, Paper Number, 175-6, Salt Lake City, Utah, October 16-19. (Power Point Presentation).

JOURNAL RESEARCH PAPERS (2006) Back to top

Fredlund, D. G. (2006). "The 2005 Terzaghi Lecture: Unsaturated soil mechanics in engineering practice”. Presented at Geo-Institute, Austin, Texas, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 132(3), 286-321.

Vu, H. Q., and Fredlund, D. G. (2006). “Challenges to modeling heave in expansive soil.” Canadian Geotechnical Journal, 43: 1249-1272.

Zhan, T.L., Ng, C.W.W., and Fredlund, D.G. (2006). “Instrumentation of an unsaturated expansive soil slope”. ASTM Geotechnical Testing Journal, 30(2): 1-11.

CONFERENCE RESEARCH PAPERS (2006)

Fredlund, D. G. and Wilson, G. W. (2006). "Are we doing it right?", Geotechnical News, March, Vancouver, B.C, pp. 43 – 48.

Fredlund, D. G. (2006). “Why did unsaturated soil mechanics not emergence along with saturated soil mechanics?” The Tien H. Wu Lecture, May 12, 2006, Columbus, Ohio. (Power Point Presentation).

Fredlund, D.G. (2006). "Effective Stress; Do We Need it for Unsaturated Soils?", Third Monash Geoengineering Lecture, Melbourne, Australia, Novemeber 9, (Powe Point Presentation).

Fredlund, D. G., and Pham, H. Q. (2006). "A volume - mass constitutive model for unsaturated soils in terms of two independent stress state variables". Keynote Address, Proceedings of the Fourth International Conference on Unsaturated Soils, ASCE, Carefree, Arizona, April 2-6, Vol. 1, pp. 105-134.

Fredlund, M. D., Fredlund, D. G., Vu, H., Thode, R., and Stianson, J. (2006). “Numerical modeling of slab – on - grade foundations”, Proceedings of the Fourth International Conference on Unsaturated Soils, ASCE, Carefree, Arizona, April 2-6, Vol. 2, pp. 2121-2132.

Gitirana, de F. N. G. Jr., Fredlund, M. D., and Fredlund, D. G. (2006). “Numerical modeling of soil-atmosphere interaction for unsaturated surfaces”. Proceedings of the 4th International Conference on Unsaturated Soils, ASCE, Carefree, Arizona, April 2-6, Vol. 1, pp. 658-669.

Gitirana, de F.N. Jr., Fredlund, D. G., and Lima-Goutte, M. (2006). "Fluxo em solos nao saturados e o process erosivo”. In: Processos Erosivos no Centro-Oeste Brasileiro. (Portuguese). Jose Camapum de Carvalh; Mauricio Martines Sales; Newton Moreira de Souza; Maria Tereza da Silva Melo. (Editors). 1 ed. Brasilia: FINATEC, 2006, Vol. 1, pp. 285-317.

Misfeldt, G., Stone, J., and Fredlund, D. G. (2006). "Protocol for preliminary modeling of an evaporative cover system", Proceedings of the Canadian Geotechnical Conference, Vancouver, Canada, October 1-4, Vol. 1, pp. 1170-1177.

Nakamura, H., Chau, K. T.,Picarelli, L., Lacerda, W. A., Fredlund, D. G., Yashima, A., and Tateyama, K. (2006). “Technical session 4A: Slope stability& landsides”. Proceedings of the 16^th International Conference on Soil Mechanics Geotechnical Engineering, , Osaka, Japan, Sept. 12-16, Vol. 5, pp. 3209-3212.

Padilla, J. M., Houston, W. N., Lawrence, C. A., Fredlund, D. G., Houston, S. L., and Perez, P. N. (2006). “An automated triaxial testing device for unsaturated soils”. Proceedings of the 4th International Conference on Unsaturated Soils, ASCE, , Carefree, Arizona, April 2-6, Vol. 2, pp. 1775-1786.

Padilla, J. M., Perera, Y. Y., Houston, W. N., Perez, P. N., and Fredlund, D. G. (2006). “Quantification of air diffusion through high air-entry ceramic disks”. Proceedings of the 4th International Conference on Unsaturated Soils, ASCE, , Carefree, Arizona, April 2-6, Vol. 2, pp.1852-1863.

Wickland, B. E., Wilson, G. W., Fredlund, D. G. (2006). “Mixtures of waste rock and tailings: resistance to acid rock drainage”. Proceedings of the 7^th International Conference on Acid Rock Drainage. Louis, Missouri, Published by ASMR, 3134 Montavesta Rd., Lexington, KY 40502, March 26-30.

Wickland, B. E., Wilson, G. W., Fredlund, D. G., and Wijewickreme, D. (2006). “Unsaturated properties of mixtures of waste rock and tailings”. Proceedings of the 4th International Conference on Unsaturated Soils, ASCE, ASCE, Carefree, Arizona, April 2-6, Vol. 1, pp. 883-893.

JOURNAL RESEARCH PAPERS (2007) Back to top

Fredlund, D.G. (2007). “Slope stability hazard management systems”. Geotechnical Journal in China, Zen Guo-Xi Lecture for the 80^th Anniversary of the Department of Civil Engineering, Zhejiang University, May 22, Hangzhou, China, 8(11): 1595-1711.

Tan, E., Fredlund, D. G., and Marjerison, B. (2007). "Installation procedure for thermal conductivity matric suction sensors and long-term readings”. Canadian Geotechnical Journal, 44: 113-125.

Zhan, L.T., Ng, C.W.W., Bao, C. G., Gong, B.W., and Fredlund, D.G. (2007). "Field study of rainfall infiltration into a grassed unsaturated expansive soil slope”. Canadian Geotechnical Journal, 44: 392-408.

CONFERENCE RESEARCH PAPERS (2007)

Ebrahimi-Birang, N., Fredlund, D.G., and Samarasekera, L. (2007). “Hysteresis of the soil-water characteristic curve in the high suction range”. Proceedings of the 60^th Canadian Geotechnical Conference, Ottawa, October 21-24, pp. 1061-1068.

Fredlund, D. G., (2007). “Engineering design protocols for unsaturated soils”. Proceedings of the 3^rd Asian Conference on Unsaturated Soils, Editors: Zongze Yin, Junping Yuan, Abraham C.F. Chiu, Nanjing, P.R. China, Publisher: Science Press, 16 Donghuangchenggen North Street, 100717, China, Beijing, China, April 21-23, pp. 27-45.

Fredlund, D. G., and Pham, H. Q. (2007). “Independent roles of the stress state variables on volume-mass constitutive relation”. Proceedings of the 2th International Conference on Theoretical and Numerical Unsaturated Soil Mechanics, Bauhaus Universitat Weimar, Germany, March 7-9, pp. 37-44.

Fredlund, D. G., Pham, H. Q., and Fredlund, M. D. (2007). "A practical volume-mass constitutive model for unsaturated expansive soils”. Proceedings of the International Workshop on Constitutive Modeling – Development, Implementation, Evaluation, and Application, Hong Kong, January 12 – 13, pp. 342-347.

Gitirana, de F.N. Jr., and Fredlund, D. G. (2007). “Sensitivity of the factor of safety of railway embankments to saturated and unsaturated soil properties.” Proceedings of the Sixth Brazilian Symposium on Unsaturated Soils, Salvador, Brazil, November 1-3, Vol.1, pp. 29-39.

Gitirana, de F.N. Jr., and Fredlund, D. G. (2007). “Correlation between unsaturated soil parameters”. Proceedings of the Sixth Brazilian Symposium on Unsaturated Soils, Salvador, Brazil, November 1-3, Vol.1, pp. 505-510.

Hu, Y., Vu, H., and Fredlund, D.G. (2007). “Calibration of thermal conductivity sensors for suction measurement”. Proceedings of the 60^th Canadian Geotechnical Conference, Ottawa, October 21-24, pp. 1091-1100.

Kurucuk, N., Kodikara, J., and Fredlund, D.G. (2007). "Prediction of compaction curves". Proceedings of the 10th Australia - New Zealand Conference on Geomechanics, Vol. 2, pp. 115-119.

Li, J., Sun, D., Sheng, D., Sloan, S., and Fredlund, D. G. (2007). "Preliminary study on soil-water characteristics of Maryland clay”. Proceedings of the Third Asian Conference on Unsaturated Soils, Editors: Zongze Yin, Junping Yuan, Abraham C.F. Chiu, Nanjing, P.R. China, Publisher: Science Press, 16 Donghuangchenggen North Street, 100717, Beijing, China, April 21-23, pp. 569-575.

Nguyen, Q., Samarasekera, L., Fredlund, D. G., and Marjerison, B. L. (2007). "Presentation of long-term matric suction measurements in a highway subgrade using thermal conductivity sensors”. Proceedings of the Third Asian Conference on Unsaturated Soils, Editors: Zongze Yin, Junping Yuan, Abraham C.F. Chiu, Nanjing, P.R. China, Publisher: Science Press, 16 Donghuangchenggen North Street, 100717, Beijing China, April 21 – 23, pp. 487-492.

Sheng, D., Fredlund, D. G. and Gens, A. (2007). “An alternative modelling approach for unsaturated soils”. Proceedings of the 3^rd Asian Conference on Unsaturated Soils, Editors: Zongze Yin, Junping Yuan, Abraham C.F. Chiu, Nanjing, P.R. China, Publisher: Science Press, 16 Donghuangchenggen North Street, 100717, Beijing, China, April 21-23, pp. 405-413.

Vu, H.Q., Hu, Y., Fredlund, D.G. (2007). "Analysis soil suction changes in expansive Regina clay". Proceedings of the 60th Canadian Geotechnical Conference, Ottawa, October 21-24, pp. 1061-1076.

JOURNAL RESEARCH PAPERS (2008) Back to top

Pham, H., and Fredlund, D.G. (2008). “Equation for the entire soil-water characteristic curve on volume change soils”. Canadian Geotechnical Journal, 45: 443-453.

Sheng, D. Fredlund, D.G., and Gens, A. (2008). “A new modelling approach for unsaturated soils using independent stress variables”. Canadian Geotechnical Journal, 45: 511-534.

Sheng, D., Fredlund, D.G. and Gens, A. (2008). Response to the Discussion by Zhang and Lytton on the Paper “A new modeling approach for unsaturated soils using independent stress variables”. Canadian Geotechnical Journal, April, Vol. 45, pp. 511-534.

Sheng D, Gens A, Fredlund DG and Sloan SW. (2008). Unsaturated soils: from constitutive modelling to numerical algorithms.  Computers and Geotechnics, 35(6), 810-824.

CONFERENCE RESEARCH PAPERS (2008)

Ebrahimi-Birang, N., Fredlund, D.G., and Samarasekra, L. (2008). “Testing for coefficient of permeability of a sandy soil in the residual state zone”. Proceedings of the First European Conference on Unsaturated soils, Durham, U.K., July 2-4, pp. 129-134.

Fredlund, D.G. (2008). “Empirical and theoretical representation of expansive soils problems”. Geo-San Antonio, SA Geo Institute and UTSA, January 25, San Antonio, Texas. (Power Point Presentation).

Kurucuk, N., Kodikara, J., and Fredlund, D.G. (2008). “Theoretical modeling of compaction curve”. Proceedings of the First European Conference on Unsaturated soils, Durham, U.K., July 2-4, pp. 375-379.

Sheng, D., and Fredlund, D.G. (2008). “Elasto-plastic modelling of unsaturated soils: the past, present and future”. Keynote Address, Proceeding of the 12^th International Conference on IACMG, Goa, India, October 1-6, pp. 2084-2105.

JOURNAL RESEARCH PAPERS (2009) Back to top

Jia, G.W., Zhan, T.L.T., Chen, Y.M., and Fredlund, D.G. (2009). “Performance of a large-scale slope model subjected to rising and lowering

water levels”. Engineering Geology, 106: 92-103.