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Nonlinear FE Analyses of Soil-Pile Interaction in Liquefying Sand

Boulanger, Ross W. / Wilson, Dan W. / Kutter, Bruce L. / Brandenberg, Scott J. / Chang, Dongdong

Nonlinear dynamic analyses using the finite element (FE) method are compared to the results of dynamic centrifuge model tests of pile-supported structures in liquefying sand profiles. The FE models utilized soil spring elements that connect pile elements to one- or two-dimensional meshes of a soil profile. Development and implementation of the soil spring material models in the OpenSees FE platform are described. Single element examples are used to illustrate the behavior of the soil and soil spring material models. Comparisons of FE analyses to centrifuge test data of pile-supported structures in liquefying sand profiles suggest that these FE methods can reasonably approximate the essential features of soil and structural response.

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Nonlinear FE Analyses of Soil-Pile Interaction in Liquefying Sand

Boulanger, Ross W. / Wilson, Dan W. / Kutter, Bruce L. / Brandenberg, Scott J. / Chang, Dongdong

Nonlinear dynamic analyses using the finite element (FE) method are compared to the results of dynamic centrifuge model tests of pile-supported structures in liquefying sand profiles. The FE models utilized soil spring elements that connect pile elements to one- or two-dimensional meshes of a soil profile. Development and implementation of the soil spring material models in the OpenSees FE platform are described. Single element examples are used to illustrate the behavior of the soil and soil spring material models. Comparisons of FE analyses to centrifuge test data of pile-supported structures in liquefying sand profiles suggest that these FE methods can reasonably approximate the essential features of soil and structural response.

Nonlinear FE Analyses of Soil-Pile Interaction in Liquefying Sand

Boulanger, Ross W. / Wilson, Dan W. / Kutter, Bruce L. / Brandenberg, Scott J. / Chang, Dongdong

Nonlinear dynamic analyses using the finite element (FE) method are compared to the results of dynamic centrifuge model tests of pile-supported structures in liquefying sand profiles. The FE models utilized soil spring elements that connect pile elements to one- or two-dimensional meshes of a soil profile. Development and implementation of the soil spring material models in the OpenSees FE platform are described. Single element examples are used to illustrate the behavior of the soil and soil spring material models. Comparisons of FE analyses to centrifuge test data of pile-supported structures in liquefying sand profiles suggest that these FE methods can reasonably approximate the essential features of soil and structural response.

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Title:

Nonlinear FE Analyses of Soil-Pile Interaction in Liquefying Sand

Contributors:

Boulanger, Ross W. (author) / Wilson, Dan W. (author) / Kutter, Bruce L. (author) / Brandenberg, Scott J. (author) / Chang, Dongdong (author)

Conference:

GeoTrans 2004 ; 2004 ; Los Angeles, California, United States

Published in:

Geotechnical Engineering for Transportation Projects ; 403-410

Publication date:

2004-07-21

ISBN:

DOI:

https://doi.org/10.1061/40744(154)25

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Retaining structures , Soil mixing , Geotechnical engineering , Slope stability , Transportation management , Sand (soil type) , Damage , Soil liquefaction , Soil-pile interactions , Embankments , Structural response

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