Stress path controlled triaxial experimental study of lateral earth pressure behaviour

SHI Jian-yong; LEI Guo-hui; AI Ying-bo; SONG Xiong-wei

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Stress path controlled triaxial experimental study of lateral earth pressure behaviour

更新时间：2026-06-25

- Stress path controlled triaxial experimental study of lateral earth pressure behaviour
- Vol. 26, Issue 11, (2005)
- 作者机构：
  
  河海大学土木工程学院岩土所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU43
- Online First：03 January 2014，
  
  Published：2005
- 稿件说明：
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SHI Jian-yong, LEI Guo-hui, AI Ying-bo, et al. Stress path controlled triaxial experimental study of lateral earth pressure behaviour[J]. 2005, 26(11).
DOI：

SHI Jian-yong, LEI Guo-hui, AI Ying-bo, et al. Stress path controlled triaxial experimental study of lateral earth pressure behaviour[J]. 2005, 26(11). DOI：

摘要

土压力除了与土体的强度指标参数有关外，还与应力路径有关，如主动土压力发展过程是垂直方向应力保持不变，水平方向应力减小到极限状态的过程，而被动土压力形成过程则相反。利用应力路径控制的三轴试验仪进行了土体主、被动破坏过程的模拟试验，重点讨论了两种典型应力路径下土体的应力-应变关系，推导了土压力随应变变化的计算公式，通过试验资料对计算公式进行了验证。计算结果表明，主动土压力可用所提出的方法确定，但被动土压力的误差较大。

Abstract

Besides strength parameters of soil

earth pressure is also related to stress path. For instance

when vertical stress keeps constant and lateral stress decreases to a critical stress

earth pressure is in the critical active state. The process of passive earth pressure is opposite. The active and passive failure tests of soil in triaxial test with stress path control are simulated. The relationship of stress strain of the typical stress path is discussed; and the relationship between earth pressure and lateral strain is presented. The results of test and calculation are compared. It has been found that the active earth pressure is well simulated by the proposed equation

but not for the passive pressure.

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SHI Jian-yong

LAI Yong

LEI Guo-hui

AI Ying-bo

KONG Xian-jing

NING Fan-wei

Related Institution

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