Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening

This paper presents an enhanced constitutive model integrating deviatoric hardening with a modified yield surface for overconsolidated clayey soils in a general framework of Cam-clay type models. Its performance was assessed with the simulation of drained and undrained triaxial tests on three clays...

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Main Authors:	Rachdi Sara, Jahangir Emad, Tijani Michel, Serratrice Jean-François
Format:	Article
Language:	English
Published:	Sciendo 2019-12-01
Series:	Studia Geotechnica et Mechanica
Subjects:	constitutive models critical state overconsolidated clay shear loading deviatoric hardening
Online Access:	https://doi.org/10.2478/sgem-2019-0024

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spelling	doaj-43fd5c0d52af40f9916c3de2a2afe8f82021-09-05T14:01:52ZengSciendoStudia Geotechnica et Mechanica2083-831X2019-12-0141424726210.2478/sgem-2019-0024sgem-2019-0024Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardeningRachdi Sara0Jahangir Emad1Tijani Michel2Serratrice Jean-François3Centre de Géosciences, MINES ParisTech, 35 rue Saint-Honoré, 77300, FontainebleauFranceCentre de Géosciences, MINES ParisTech, 35 rue Saint-Honoré, 77300, FontainebleauFranceCentre de Géosciences, MINES ParisTech, 35 rue Saint-Honoré, 77300, FontainebleauFranceCerema Méditerranée, 30 rue Albert Einstein, CS 70499, 13593Aix en ProvenceFranceThis paper presents an enhanced constitutive model integrating deviatoric hardening with a modified yield surface for overconsolidated clayey soils in a general framework of Cam-clay type models. Its performance was assessed with the simulation of drained and undrained triaxial tests on three clays at different consolidation states in comparison to two critical state models. The proposed model satisfactorily estimates the shear resistance, while capturing the smooth nonlinearity of the soil response.https://doi.org/10.2478/sgem-2019-0024constitutive modelscritical stateoverconsolidated clayshear loadingdeviatoric hardening
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Rachdi Sara Jahangir Emad Tijani Michel Serratrice Jean-François
spellingShingle	Rachdi Sara Jahangir Emad Tijani Michel Serratrice Jean-François Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening Studia Geotechnica et Mechanica constitutive models critical state overconsolidated clay shear loading deviatoric hardening
author_facet	Rachdi Sara Jahangir Emad Tijani Michel Serratrice Jean-François
author_sort	Rachdi Sara
title	Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
title_short	Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
title_full	Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
title_fullStr	Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
title_full_unstemmed	Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
title_sort	critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening
publisher	Sciendo
series	Studia Geotechnica et Mechanica
issn	2083-831X
publishDate	2019-12-01
description	This paper presents an enhanced constitutive model integrating deviatoric hardening with a modified yield surface for overconsolidated clayey soils in a general framework of Cam-clay type models. Its performance was assessed with the simulation of drained and undrained triaxial tests on three clays at different consolidation states in comparison to two critical state models. The proposed model satisfactorily estimates the shear resistance, while capturing the smooth nonlinearity of the soil response.
topic	constitutive models critical state overconsolidated clay shear loading deviatoric hardening
url	https://doi.org/10.2478/sgem-2019-0024
work_keys_str_mv	AT rachdisara criticalstateconstitutivemodelsandshearloadingofoverconsolidatedclayswithdeviatorichardening AT jahangiremad criticalstateconstitutivemodelsandshearloadingofoverconsolidatedclayswithdeviatorichardening AT tijanimichel criticalstateconstitutivemodelsandshearloadingofoverconsolidatedclayswithdeviatorichardening AT serratricejeanfrancois criticalstateconstitutivemodelsandshearloadingofoverconsolidatedclayswithdeviatorichardening
_version_	1717809387001610240

Critical state constitutive models and shear loading of overconsolidated clays with deviatoric hardening

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