Research on mechanical characteristics of unloading rock mass by numerical simulation method

ZHOU Ji-fang; LI Jian-lin; DENG Hua-feng; WANG Rui-hong

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Research on mechanical characteristics of unloading rock mass by numerical simulation method

更新时间：2026-06-25

- Research on mechanical characteristics of unloading rock mass by numerical simulation method
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  1. 武汉大学水利水电学院,武汉,430072
  2. 二滩水电开发有限责任公司,成都,610021
  3. 三峡大学,湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU452
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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ZHOU Ji-fang, LI Jian-lin, DENG Hua-feng, et al. Research on mechanical characteristics of unloading rock mass by numerical simulation method[J]. 2008, 29(S1).
DOI：

ZHOU Ji-fang, LI Jian-lin, DENG Hua-feng, et al. Research on mechanical characteristics of unloading rock mass by numerical simulation method[J]. 2008, 29(S1). DOI：

摘要

岩体卸荷力学性质主要表现为非线性和各向异性等特征，与常规岩体试验结果和假定存在着差别，采用数值仿真的方法对卸荷岩体力学特性进行研究，阐述卸荷岩体力学特性研究的重要性；给出了数值仿真分析研究的岩体加、卸载条件；利用大型有限元软件ADINA建立数值仿真模型，对模型进行计算分析，并和已有试验成果进行对比，得出了卸荷岩体力学特性的有关规律。

Abstract

The mechanical characteristics of unloading rock mass include nonlinearity

anisotropy and so on

and have many differences between assumptions and experiment results with the routine rock mass. The numerical simulation method is used to research the mechanical characteristics of unloading rock mass. The importance of researching the mechanical characteristics of unloading rock mass is described; the conditions of loading and unloading in numerical simulation are studied. Numerical simulation model is established by using ADINA. Analyzing the model and comparing with the experimental result

the law about mechanical characteristics of unloading rock mass is obtained.

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