Research on equivalent cohesion

LIU Yuan-ming; XIA Cai-chu

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Research on equivalent cohesion

更新时间：2026-06-25

- Research on equivalent cohesion
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 同济大学岩土工程重点实验室/土木工程学院地下建筑与工程系,上海,200092
  2. 贵州大学土木建筑学院,贵阳,550003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU452
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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LIU Yuan-ming, XIA Cai-chu. Research on equivalent cohesion[J]. 2006, 27(S1).
DOI：

LIU Yuan-ming, XIA Cai-chu. Research on equivalent cohesion[J]. 2006, 27(S1). DOI：

摘要

在复杂节理的表面形貌可以理想化为三角形形貌的基础上，研究了齿形形貌节理的剪切强度机理。推导了考虑起伏度和粗糙度的抗剪强度公式，建立了等效凝聚力与节理面基本凝聚力的关系，提出了等效系数的概念，详细地研究了等效系数的变化规律。并讨论了该抗剪强度公式在不同法向压力作用下的表现形式，得出了相关结论。

Abstract

On the base which the roughness profile is model as a series of irregular shaped

triangular asperities

the shear failure mechanism of tooth-shaped joints was studied. The shear strength equation was derived

in which the surface profile of joints were considered.The relationship between equivalent cohesion and joints cohesion was established. The equivalent coefficient was proposed and the rule of the coefficient was studied. By discussing the equation under low

medium

high normal stress

some conclusions were drawn.

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