Infoscience

Conference paper

Numerical and experimental investigation of desiccation of soil

Mechanisms of shrinkage and the conditions leading to cracking of drying soils are addressed. An elastic formulation of the hydro-mechanical drying problem is presented. It relies on the analogy which can be drawn between the desiccation process and thermo-elasticity. The validity of the analogy is discussed in the light of finite element simulations of air drying experiments on a rectangular soil slab resting on a substrate. Two kinds of tests are dealt with: free desiccation and substrate constrained desiccation tests, with different kinematic boundary conditions. The discussed model is able to reproduce some of the experimental observations.

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    Reference

    • LMS-CONF-2007-011

    Record created on 2007-04-25, modified on 2016-08-08

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