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Clay barriers assesment : a coupled mechanical and moisture transfert model
Collin, Frédéric; Li, Xian Ling; Radu, Jean-Pol et al.
1999In Clay barriers assesment : a coupled mechanical and moisture transfert model
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Keywords :
Geomechanics; THM coupling; Unsaturated soils
Abstract :
[en] A 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.
Disciplines :
Civil engineering
Author, co-author :
Collin, Frédéric  ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Li, Xian Ling
Radu, Jean-Pol ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Charlier, Robert ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Language :
English
Title :
Clay barriers assesment : a coupled mechanical and moisture transfert model
Publication date :
1999
Event name :
European Conference on Computational Mechanics
Event place :
Munich, Germany
Event date :
Août 1999
Audience :
International
Main work title :
Clay barriers assesment : a coupled mechanical and moisture transfert model
Peer reviewed :
Peer reviewed
Name of the research project :
EC project Catsius Clay
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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since 03 July 2009

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