Clay subjected to cyclic loading: Constitutive model and time homogenization technique

Aurélie Papon, Zhen Yu Yin, Yvon Riou, Pierre Yves Hicher

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Numerical modeling of the behavior of geotechnical structures subjected to cyclic loading requires the consideration of two main aspects: the constitutive relationship and numerical strategy. The constitutive model has to be representative of the clay behavior, whereas the numerical strategy should be efficient in order to reduce the computation time. To simulate undrained triaxial cyclic tests on clay, a method of time homogenization is applied to a bounding surface plasticity model. This method of homogenization is based upon splitting time into two separate scales. The first scale relates to the period of cyclic loading and the second to the characteristic time of the material. Simulations of undrained triaxial cyclic tests on normally consolidated clay under one-way cyclic loading are carried out. The performance of time homogenization is numerically validated. The sensitivity of the time increment is also investigated.

Original languageEnglish
Title of host publicationSoil Behavior and Geo-Micromechanics - Proceedings of the 2010 GeoShanghai International Conference
Pages140-145
Number of pages6
Edition200 GSP
DOIs
Publication statusPublished - 6 Sep 2010
Externally publishedYes
Event2010 GeoShanghai International Conference - Soil Behavior and Geo-Micromechanics - Shanghai, China
Duration: 3 Jun 20105 Jun 2010

Publication series

NameGeotechnical Special Publication
Number200 GSP
ISSN (Print)0895-0563

Conference

Conference2010 GeoShanghai International Conference - Soil Behavior and Geo-Micromechanics
CountryChina
CityShanghai
Period3/06/105/06/10

Keywords

  • Clays
  • Constitutive models
  • Sand, Soil type
  • Soil deformation

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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