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Compression tests on a sandy silt at different suction and temperature levels.
François, Bertrand; Salager, Simon; El Youssouffi, M. Said et al.
2007In ASCE Geotechnical Special Publication 157
Peer reviewed
 

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Keywords :
Compression tests; Oedometric tests; isotropic tests; unsaturated soils; thermomechanics; preconsolidation pressure
Abstract :
[en] This paper presents a unified thermo-mechanical experimental study on a remoulded unsaturated sandy silt and brings a contribution to the understanding of the fundamental mechanics of unsaturated soils in non-isothermal conditions. The experimental program was carried out at four temperatures and four suction levels using two thermo-hydro-mechanical (THM) cells, one isotropic and the other oedometric. The effect of suction and temperature on the compressibility and on the apparent preconsolidation pressure of the soil is addressed. Finally, an analytical expression of the evolution of the apparent preconsolidation pressure with respect to temperature and suction is proposed.
Disciplines :
Civil engineering
Author, co-author :
François, Bertrand  ;  Ecole Polytechnique Fédérale de Lausanne - EPFL > Soil Mechanics Laboratory
Salager, Simon
El Youssouffi, M. Said
Ubals Picanyol, David
Laloui, Lyesse
Saix, Christian
Language :
English
Title :
Compression tests on a sandy silt at different suction and temperature levels.
Publication date :
2007
Event name :
GeoDenver 2007
Event place :
Denver, United States
Audience :
International
Main work title :
ASCE Geotechnical Special Publication 157
Peer reviewed :
Peer reviewed
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