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A Constitutive Model for Cyclic Analysis of Unsaturated Soils

Habte, Michael A. / Khalili, Nasser

In this paper, a fully coupled elasto-plastic model is presented for the cyclic analysis of unsaturated soils based on the bounding surface theory. The bounding surface is defined in terms of effective stresses using a simple and versatile function. A modified radial mapping rule is adopted enabling prediction of a range of cyclic loading paths including drained and undrained, isotropic and deviatoric. The model captures saturated as well as unsaturated behavior in a unified manner.

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A Constitutive Model for Cyclic Analysis of Unsaturated Soils

Habte, Michael A. / Khalili, Nasser

In this paper, a fully coupled elasto-plastic model is presented for the cyclic analysis of unsaturated soils based on the bounding surface theory. The bounding surface is defined in terms of effective stresses using a simple and versatile function. A modified radial mapping rule is adopted enabling prediction of a range of cyclic loading paths including drained and undrained, isotropic and deviatoric. The model captures saturated as well as unsaturated behavior in a unified manner.

A Constitutive Model for Cyclic Analysis of Unsaturated Soils

Habte, Michael A. / Khalili, Nasser

In this paper, a fully coupled elasto-plastic model is presented for the cyclic analysis of unsaturated soils based on the bounding surface theory. The bounding surface is defined in terms of effective stresses using a simple and versatile function. A modified radial mapping rule is adopted enabling prediction of a range of cyclic loading paths including drained and undrained, isotropic and deviatoric. The model captures saturated as well as unsaturated behavior in a unified manner.

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Title:

A Constitutive Model for Cyclic Analysis of Unsaturated Soils

Contributors:

Habte, Michael A. (author) / Khalili, Nasser (author)

Conference:

Fourth International Conference on Unsaturated Soils ; 2006 ; Carefree, Arizona, United States

Published in:

Unsaturated Soils 2006 ; 1920-1931

Publication date:

2006-03-17

ISBN:

DOI:

https://doi.org/10.1061/40802(189)162

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Constitutive models , Elastoplasticity , Unsaturated soils , Soil liquefaction , Shear strength , Soil suction , Cyclic loads , Foundations , Soil properties

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