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Localized failure in saturated porous media
Desrues, Jacques; Collin, Frédéric
2004In Vermeer, Peter; Ehlers, W.; Herrmann, H. J. (Eds.) Modelling of Cohesive-Frictionl Materials
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Abstract :
[en] Strain localisation in soils and rocks has been studied extensively for the last 20 years. A part of these studies have been devoted to the response of specimens submitted to tests in undrained situation. It was shown that shear banding can take place in both contractive and dilative specimens, with some special features due to the coupling between the granular skeleton and the pore fluid. In the paper, the relevance of the bifurcation criterion in shear band mode in the case of hydromechanical coupling is assessed by numerical study of the response of the constitutive model CLoE –the Hypoplastic model developed in L3S-Grenoble– in two kinds of numerical integration: local, i.e. at the material point level and global, i.e. in boundary value problems analyzed by finite elements.
Disciplines :
Civil engineering
Author, co-author :
Desrues, Jacques;  Centre National de la Recherche Scientifique - CNRS > Laboratoire 3S-R
Collin, Frédéric  ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Language :
English
Title :
Localized failure in saturated porous media
Publication date :
2004
Event name :
2nd International Symposium on Continuous and Discontinuous Modeling of Cohesive Frictional Materials CDM 2004
Event place :
Stuttgart, Germany
Event date :
27-28 september 2004
By request :
Yes
Audience :
International
Main work title :
Modelling of Cohesive-Frictionl Materials
Editor :
Vermeer, Peter
Ehlers, W.
Herrmann, H. J.
Publisher :
Balkema, Leiden, Netherlands
ISBN/EAN :
04-1536-023-4
Pages :
399-410
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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since 20 August 2008

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