Numerical simulation on failure process of pre-cracked Brazilian disk specimen of rock

ZHU Wan-cheng; HUANG Zhi-ping; TANG Chun-an; PANG Ming-zhang

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Numerical simulation on failure process of pre-cracked Brazilian disk specimen of rock

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- Numerical simulation on failure process of pre-cracked Brazilian disk specimen of rock
- Vol. 25, Issue 10期　刊出日, (2004)
- 作者机构：
  
  东北大学岩石破裂与失稳研究中心,辽宁,沈阳,110004
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU458
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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ZHU Wan-cheng, HUANG Zhi-ping, TANG Chun-an, et al. Numerical simulation on failure process of pre-cracked Brazilian disk specimen of rock[J]. 2004, 25(10期　刊出日).
DOI：

ZHU Wan-cheng, HUANG Zhi-ping, TANG Chun-an, et al. Numerical simulation on failure process of pre-cracked Brazilian disk specimen of rock[J]. 2004, 25(10期　刊出日). DOI：

摘要

利用岩石破裂过程分析系统（RFPA）软件

进行了岩石含中心裂纹的巴西盘在单轴压缩荷载作用下破裂过程的数值模拟。数值模拟再现了含不同预制裂纹角度时巴西盘试样所表现出不同的破裂模式以及主裂纹的产生、扩展、贯通、次生裂纹的产生等过程

得到的破裂模式结果与有关文献中的实验结果十分吻合。除此以外

数值试验还能够给出在物理实验中不能观察到的应力场信息及岩石的破裂机制。

Abstract

Rock failure process analysis (RFPA) code is used to study the failure process of rock disks with pre-existing cracks when subjected to static loading. The numerical simulation reproduces the failure characteristics of rock disks with different inclinations of pre-existing crack

and compare well with the experimental results. By contrast

the numerical simulation can also capture the stress distribution and failure mechanism during the failure process

which cannot be observed from laboratory test.

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