Article (Scientific journals)
Thermomechanical constitutive model for saturated clays based on critical state theory
Hamidi, Amir; TOURCHI, Saeed; Khazaei, Cyrus
2015In International Journal of Geomechanics, 15 (1)
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Keywords :
Constitutive model; Critical state line; Saturated clays; Thermal behavior; Volume change; Boiling temperature; Critical state lines; Critical state soil mechanics; Physical interpretation; Saturated clay; Thermal behaviors; Thermo-mechanical constitutive model; Soil Science
Abstract :
[en] A thermomechanical constitutive model for predicting the isothermal behavior of saturated clays in different temperatures is presented in this paper. This model is developed based on the general framework of critical state soil mechanics and modified Cam-clay formulation. Most of the characteristics of saturated clays in temperatures lower than water's boiling temperature have been taken into account. An attempt has been made to use the lowest possible number of extra parameters compared with the original Cam-clay model and to ensure that these new parameters have clear physical interpretations. An important feature in the model is thermal dependency of the critical state line in the deviatoric stress plane. The predictions have been compared with five sets of laboratory data available in the literature.
Disciplines :
Civil engineering
Author, co-author :
Hamidi, Amir;  School of Engineering, Kharazmi Univ., Tehran, Iran
TOURCHI, Saeed  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) ; School of Engineering, Kharazmi Univ., Tehran, Iran
Khazaei, Cyrus;  Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Canada
External co-authors :
yes
Language :
English
Title :
Thermomechanical constitutive model for saturated clays based on critical state theory
Publication date :
February 2015
Journal title :
International Journal of Geomechanics
ISSN :
1532-3641
Publisher :
American Society of Civil Engineers (ASCE)
Volume :
15
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 16 February 2024

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