Paper published in a book (Scientific congresses and symposiums)Thermo-hydro-mechanical coupling in clay barriers
Li, Xian Ling; Collin, Frédéric; Radu, Jean-Pol et al.
1998 • In Evangelista, Aldo; Picarelli, Luciano (Eds.) The Geotechnics of Hard soils, Soft Rocks
Abstract :
[en] A complete thermo-hydro-mechanical model is presented to tackle the complex coupling problems encountered in clay barriers. A detailed formulation coupling the heat, moisture (liquid water and water vapour) and, air transfer in a deformable unsaturated soil is given. The formulation of the Alonso-Gens’s mechanical model for unsaturated soil is also incorporated. The sensitivity to some parameters and their determinations are analysed. Finally, a small scale wetting – heating test on compacted bentonite is performed for validation; the numerical results are compared to the experimental measurements.
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