Synthesis Mode of Stress and Strain for Complexus Theory of Geomaterials Damage

LIU Yuanxue; ZHOU Jianting; LI Zhongyou

doi:10.11835/j.issn.1674-4764.2008.04.014

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Synthesis Mode of Stress and Strain for Complexus Theory of Geomaterials Damage

更新时间：2023-11-28

- Synthesis Mode of Stress and Strain for Complexus Theory of Geomaterials Damage
- Journal of Civil and Environmental Engineering Vol. 30, Issue 4, Pages: 64-67(2008)
- 作者机构：
  
  1. 后勤工程学院建筑工程系,重庆,400041
  2. 重庆交通大学科技处，重庆400074
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2008.04.014
  CLC：
- Published：2008
- 稿件说明：
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LIU Yuanxue, ZHOU Jianting, LI Zhongyou. Synthesis Mode of Stress and Strain for Complexus Theory of Geomaterials Damage[J]. Journal of Civil and Environmental Engineering, 2008, 30(4): 64-67.
DOI：

LIU Yuanxue, ZHOU Jianting, LI Zhongyou. Synthesis Mode of Stress and Strain for Complexus Theory of Geomaterials Damage[J]. Journal of Civil and Environmental Engineering, 2008, 30(4): 64-67. DOI： 10.11835/j.issn.1674-4764.2008.04.014.

摘要

近年来岩土损伤本构模型取得了长足的进步，但岩土材料损伤复合体理论的一个基本问题——复合体两个组分的应力、应变合成模式上存在争议。从损伤力学的基础——连续介质力学的基本概念出发，对岩土损伤复合体理论应力应变合成的合理模式进行了深入研究。得出了一般损伤情况下的岩土损伤复合体理论的应力应变合成公式，给出了各向同性损伤情况下的简化公式，认为对于岩土损伤复合体理论不能直接采用并联、串联或简单的混合类型复合模式。

Abstract

Although the constitutive model for geomaterial damage has developed significantly

there is still dispute regarding the synthesis mode of stress and strain for the complexus theory of geomaterials damage. The synthesis mode of stress and strain for the complexus theory of geomaterials damage was studied in depth in light of the basic concepts of continuum mechanics. A general synthesis mode of stress and strain for the complexus theory of geomaterials damagmall. The amount of sampling could sharply decrease by using the dual sampling method. During the comparison

the supporting role exaggeration of the line element

which is used in the FEM model to simulate the initial lining and rock bolt

was found by FEM simulation. The lining element reaction forces which were greater than usual were reported in FEM analysis results. Deeply Buried Tunnel Reliability Analysis was developed on the platform of ANSYS.

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