PROBLEM

Concrete slab-on-ground designs are common for small buildings and houses in certain parts of the world. Changes in pore-water pressures in the clays beneath such foundations often lead to swelling or heaving of the foundation and result in cracks in the walls.

SOLUTION

SVFLUX and SVSOLID can be coupled in order to model this phenomenon. The amount of swell due to sprinklers or precipitation events can be calculated. Various solution scenarios may be explored with the software. The influence of surrounding vegetation and the shrinkage beneath a foundation may be calculated.

Please note that most of these models can be downloaded through our SVOffice product suite.

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Calculation of bearing capacity under a small slab. Flat bearing capacity.

Model filename: Foundations > FlatBearing.svm

3-Dimensional modeling of seepage and stress processes beneath a floor slab - Tutorial Example. A 1m wide slab is being examined for the edge-drop scenario caused by evaporation. The evaporation rate is 10 mm/day.

Model filename: SlabOnGround > ShrinkSlice3D_Day5.svm