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An elastoplastic model for unsaturated rocks and concrete

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2002
auteur(s) Bourgeois Frédéric; Shao Jian-Fu; Ozanam O.
journal Mechanics Research Communications
volume (numéro) 29 (5)
  
pages 383 – 390
résumé This paper presents an elastoplastic model for unsaturated rocks and concrete. The formulation is based on the poroplastic theory of porous media. The effect of water saturation on plastic deformation is described through a generalised effective stress. Plastic shrinkage and swelling due to suction change are taken into account. All model’s parameters can be determined from specific laboratory tests. Comparisons between numerical simulations and experimental data are provided for a claystone.
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