Analysis of shear band inclination based on moment and groundwater

SUN Qiang; HU Xiu-hong; ZHAO Hai-jun

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Analysis of shear band inclination based on moment and groundwater

更新时间：2026-06-25

- Analysis of shear band inclination based on moment and groundwater
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  中国科学院地质与地球物理研究所,北京,100029
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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SUN Qiang, HU Xiu-hong, ZHAO Hai-jun. Analysis of shear band inclination based on moment and groundwater[J]. 2006, 27(S2).
DOI：

SUN Qiang, HU Xiu-hong, ZHAO Hai-jun. Analysis of shear band inclination based on moment and groundwater[J]. 2006, 27(S2). DOI：

摘要

土体剪切破坏时剪切带倾角是一个一直在研究的问题，传统理论解为Mohr-Coulomb解和Roscoe解。从剪切带厚度和剪切力矩角度重新考虑这一问题，在引入力矩分析及土体本构方程的基础上，对剪切带倾角进行了探讨，得出了新的理论解。同时分析了剪切带上的水压力效应，探讨了孔隙水压力对剪切带倾角的影响。

Abstract

The moment force model for the soil shearing failure analysis is introduced

and the shearing failure process is analyzed. Then the moment model is used to explain the formation of the shear band under-cut broken angle of clay. Groundwater is the key factor which does more harm to the foundation pit project. How to analyze and study the effect of groundwater on the project is a difficult and important subject. Based on the destruction effect of groundwater

the change of interface with the variety of groundwater is analyzed; and the equation to calculate critical angle of planar slide under saturation condition is deduced.

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Department of Civil and Architectural Engineering, City University of Hong Kong

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