| 岩石破裂滑动过程及其声发射数值模拟 |
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| 引用本文： | 芮勇勤,唐春安.岩石破裂滑动过程及其声发射数值模拟[J].力学学报,2001,9(4):357-361. |
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| 作者姓名： | 芮勇勤 唐春安 |
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| 作者单位： | 1. 东北大学岩石破裂与失稳研究中心,沈阳110006;
2. 长沙交通学院路桥工程系,长沙410076;
3. 中国科学院力学所非线性力学国家重点实验室,北京100080 |
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| 基金项目： | 国家自然科学基金(批准号:49974009);中国博士后科学基金;中国科学院力学研究所LNM国家重点实验室开放基金等项目资助 |
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| 摘 要： | 运用岩石破裂与失稳过程分析RFPA2D系统, 对滑动形成过程进行了数值模拟研究。滑动岩体似为非均匀弹 -脆岩石材料, 模拟结果再现了滑动形成从变形到破坏直至失稳的全过程及其声发射规律。
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| 关 键 词： | 滑动 变形 破坏 声发射 RFPA2D系统 数值模拟 |
| 收稿时间： | 2000-03-03 |
| 修稿时间： | 2000-06-17 |
NUMERICAL SIMULATION ON ROCK SLIP FAILURE AND ITS ASSOCIATED ACOUSTIC EMISSIONS |
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| RUI Yongqing,TANG Chun&prime,an.NUMERICAL SIMULATION ON ROCK SLIP FAILURE AND ITS ASSOCIATED ACOUSTIC EMISSIONS[J].chinese journal of theoretical and applied mechanics,2001,9(4):357-361. |
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| Authors: | RUI Yongqing TANG Chun&prime an |
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| Institution: | 1. CRISR, Northeastern University, Shenyang110006;
2. Changsha Communications University, Changsha410076;
3. LNM Institute of Mechanics, CAS, Beijing100080 |
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| Abstract: | By using a Rock Failure Process Analysis code (RFPA 2D), slip failure process and associated seismicity in rock masses are numerically studied.The slipping rock mass seems to be of brittle and heterogeneous materials.The simulation result reproduced the whole process from deformation to failure leading to instability inducing seismicity in slipping rock masses and associated acoustic emissions.It shows that shear plane is the main feature of the slip failure mode.The shear plane as it initiated on the one termination of the crack, extends to the center and then to another termination.Finally, a macro scopic shear fault plane is observed. |
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| Keywords: | Slip Deformation and failure Acoustic emission RFPA 2D code Numerical simulation |
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