Generalized plasticity for geomaterials with double structure

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Title:	Generalized plasticity for geomaterials with double structure
Author:	Gens Solé, Antonio; Sánchez, Marcelo; Valleján, Beatriz
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica; Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
Abstract:	The paper presents a double structure constitutive model based on a generalized plasticity formalism. The behaviour of macrostructure, microstructure and their interactions are described. A coupled hydromechanical formulation is then presented that assumes no hydraulic equilibrium between structural levels. Constitutive law and formulation are applied to the simulation of the behaviour during hydration of a heterogeneous mixture of bentonite powder and bentonite pellets. A satisfactory reproduction of observed behaviour is achieved.
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls -Swelling soils -Generalized plasticity -double structure -swelling clays -sealing material -Sòls argilosos -- Estabilitat
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Document type:	Article - Published version Conference Object
Published by:	Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE)
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