The Various Stress Paths Causing Deformation and Failure in Rocks

Xu Dongjun; Geng Naiguang

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The Various Stress Paths Causing Deformation and Failure in Rocks

更新时间：2026-06-25

- The Various Stress Paths Causing Deformation and Failure in Rocks
- Vol. 7, Issue 2, (1986)
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- Online First：17 May 2017，
  
  Published：1986
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Xu Dongjun, Geng Naiguang. The Various Stress Paths Causing Deformation and Failure in Rocks[J]. 1986, 7(2).
DOI：

Xu Dongjun, Geng Naiguang. The Various Stress Paths Causing Deformation and Failure in Rocks[J]. 1986, 7(2). DOI：

摘要

在真三轴应力状态下进行了各种应力途径的岩石变形和破坏实验。实验表明

三个主应力的变化(最大主应力的增加

最小主应力的减小

围压的减小以及中间主应力的增加或减小)都能引起岩石变形和破坏。而且岩石的强度、延性和脆性、体积变化和破坏前兆等都与应力途径有关。据根试验结果探讨了岩体工程中的应力途径问题。

Abstract

The rock deformation and failure tests are performed along various stress paths under true triaxial stress state.The experimental results have shown that the change of three principal stresses (the increase of the maximum principal stress

the decrease of the minimum principal stress

the decrease of the confining pressure and the increase or decrease of the intermediate principal stress ) can lead to deformation and failure in rocks. The strength

the deformability and the failure precursors of rocks are related with stress paths.Based on the results of the study

the problems of the stress path in rock engineering are discussed.

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