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Research presented over the past few decades
by Coleman (1962), Matyas and Radhakrishna (1968), and Fredlund,
1993 has paved the way for the development of unsaturated soil
constitutive surfaces. These surfaces describe the variation in
void ratio or gravimetric water content of a soil undergoing a
change in either net normal stress or soil suction. SoilVision
allows you to develop unsaturated constitutive surfaces to describe
the behavior of a soil undergoing compression and/or drying. The
constitutive surfaces are developed in equation form which then
allows the generated surface to form the basis for coupled seepage
and volume change analysis.
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