Numerical simulation research on the formation of shear bands in Shanghai clay

DONG Jian-guo; CHEN Xiang-da; YUAN Ju-yun

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Numerical simulation research on the formation of shear bands in Shanghai clay

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- Numerical simulation research on the formation of shear bands in Shanghai clay
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU441
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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DONG Jian-guo, CHEN Xiang-da, YUAN Ju-yun. Numerical simulation research on the formation of shear bands in Shanghai clay[J]. 2007, 28(S1).
DOI：

DONG Jian-guo, CHEN Xiang-da, YUAN Ju-yun. Numerical simulation research on the formation of shear bands in Shanghai clay[J]. 2007, 28(S1). DOI：

摘要

各种工程事故表明：现有的土力学计算模型均未考虑应变局部化问题，故不能解释这些工程事故的发生，因此应变局部化和剪切带形成的研究成为国际土力学界研究热点之一。数值模拟是研究剪切带形成的一个重要内容。在数值模拟中首先进行剪切带形成条件的研究，接着考虑土质不均匀性的影响，引入弱单元和强单元，进行弱单元与强单元影响力的研究。

Abstract

Because most project accidents can not be explained by constitutive models in which the localization is not taken into consideration

now the study of localization and the formation of shear band in soil have become an important research field in soil mechanics. Numerical simulation is an important method researching into the formation of shear bands. In this paper

research is done on the condition of the formation of shear bands. Then the formation of shear band in different situations is analyzed by considering the non-homogeneity of soil and introducing weak and strong elements.

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