地震边坡失稳机理及稳定性分析

言志信 张森 张学东 段建

言志信, 张森, 张学东, 段建. 2010: 地震边坡失稳机理及稳定性分析. 工程地质学报, 18(6): 844-850.
引用本文: 言志信, 张森, 张学东, 段建. 2010: 地震边坡失稳机理及稳定性分析. 工程地质学报, 18(6): 844-850.
YAN Zhixin, ZHANG Sen, ZHANG Xuedong, DUAN Jian. 2010: FAILURE MECHANISM AND STABILITY ANALYSIS OF SLOPE UNDER EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 844-850.
Citation: YAN Zhixin, ZHANG Sen, ZHANG Xuedong, DUAN Jian. 2010: FAILURE MECHANISM AND STABILITY ANALYSIS OF SLOPE UNDER EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 844-850.

地震边坡失稳机理及稳定性分析

基金项目: 

高等学校博士学科点专项科研基金项目(20090211110016;甘肃省科技计划资助项目(096RJZA048)

详细信息
    作者简介:

    言志信,主要从事岩土、爆破、地质工程研究工作.Email:yzx10@163.com

  • 中图分类号: TU457

FAILURE MECHANISM AND STABILITY ANALYSIS OF SLOPE UNDER EARTHQUAKE

  • 摘要: 通过对汶川地震边坡调研,发现大量边坡破坏形式为坡顶拉裂、下部坡体剪切破坏。本文利用有限差分程序,从边坡土体的应力状态出发,通过监测边坡土体的状态、位移和剪应变增量变化等,分析了岩土体在静力、横向地震和耦合地震作用下的破坏过程,发现坡顶附近发生张破坏,以下部位发生剪切破坏,而非传统的地质工程观点地震边坡破坏主要是地震惯性力造成的剪切破坏。并提出一种新方法关键点相对位移法,来判断边坡的动力稳定性,数值模拟结果与已有研究成果及震后灾害调查结果具有良好的一致性。
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出版历程
  • 收稿日期:  2010-04-20
  • 修回日期:  2010-10-31
  • 刊出日期:  2010-12-25

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