Generalized plasticity state parameter‐based model for saturated and unsaturated soils. Part II: Unsaturated soil modeling
Identifieur interne : 000474 ( Main/Exploration ); précédent : 000473; suivant : 000475Generalized plasticity state parameter‐based model for saturated and unsaturated soils. Part II: Unsaturated soil modeling
Auteurs : Diego Manzanal [Espagne] ; Manuel Pastor [Espagne] ; José Antonio Fernández Merodo [Espagne]Source :
- International Journal for Numerical and Analytical Methods in Geomechanics [ 0363-9061 ] ; 2011-12-25.
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Abstract
The aim of this paper is to extend the generalized plasticity state parameter‐based model presented in part 1 to reproduce the hydro‐mechanical behavior of unsaturated soils. The proposed model is based on two pairs of stress–strain variables and a suitable hardening law taking into account the bonding—debonding effect of suction and degree of saturation. A generalized state parameter for unsaturated state is proposed to reproduce soil behavior using a single set of material parameters. Generalized plasticity gives a suitable framework to reproduce not only monotonic stress path but also cyclic behavior. The hydraulic hysteresis during a drying—wetting cycle and the void ratio effect on the hydraulic behavior is introduced. Comparison between model simulations and a series of experimental data available, both cohesive and granular, are given to illustrate the accuracy of the enhanced generalized plasticity equation. Copyright © 2010 John Wiley & Sons, Ltd.
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DOI: 10.1002/nag.983
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J. Numer. Anal. Meth. Geomech.</title><idno type="ISSN">0363-9061</idno><idno type="eISSN">1096-9853</idno><imprint><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><date type="published" when="2011-12-25">2011-12-25</date><biblScope unit="volume">35</biblScope><biblScope unit="issue">18</biblScope><biblScope unit="page" from="1899">1899</biblScope><biblScope unit="page" to="1917">1917</biblScope></imprint><idno type="ISSN">0363-9061</idno></series><idno type="istex">F2AD76EB054C8B7E8A755FD6FB04E6018D638493</idno><idno type="DOI">10.1002/nag.983</idno><idno type="ArticleID">NAG983</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0363-9061</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>constitutive modeling</term><term>generalized plasticity</term><term>granular and cohesive materials</term><term>state parameter</term><term>unsaturated soils</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this paper is to extend the generalized plasticity state parameter‐based model presented in part 1 to reproduce the hydro‐mechanical behavior of unsaturated soils. The proposed model is based on two pairs of stress–strain variables and a suitable hardening law taking into account the bonding—debonding effect of suction and degree of saturation. A generalized state parameter for unsaturated state is proposed to reproduce soil behavior using a single set of material parameters. Generalized plasticity gives a suitable framework to reproduce not only monotonic stress path but also cyclic behavior. The hydraulic hysteresis during a drying—wetting cycle and the void ratio effect on the hydraulic behavior is introduced. Comparison between model simulations and a series of experimental data available, both cohesive and granular, are given to illustrate the accuracy of the enhanced generalized plasticity equation. Copyright © 2010 John Wiley & Sons, Ltd.</div></front></TEI><affiliations><list><country><li>Espagne</li></country><region><li>Communauté de Madrid</li></region><settlement><li>Madrid</li></settlement></list><tree><country name="Espagne"><noRegion><name sortKey="Manzanal, Diego" sort="Manzanal, Diego" uniqKey="Manzanal D" first="Diego" last="Manzanal">Diego Manzanal</name></noRegion><name sortKey="Merodo, Jose Antonio Fernandez" sort="Merodo, Jose Antonio Fernandez" uniqKey="Merodo J" first="José Antonio Fernández" last="Merodo">José Antonio Fernández Merodo</name><name sortKey="Pastor, Manuel" sort="Pastor, Manuel" uniqKey="Pastor M" first="Manuel" last="Pastor">Manuel Pastor</name><name sortKey="Pastor, Manuel" sort="Pastor, Manuel" uniqKey="Pastor M" first="Manuel" last="Pastor">Manuel Pastor</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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