| 东坪金矿采空区开挖过程的三维有限元数值模拟 |
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| 引用本文： | 张娇,姜谙男,易南概,赵德孝.东坪金矿采空区开挖过程的三维有限元数值模拟[J].中国矿业,2006,15(11):81-84. |
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| 作者姓名： | 张娇 姜谙男 易南概 赵德孝 |
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| 作者单位： | 1. 大连海事大学交通工程与物流学院·大连,116026
2. 东北大学资源与土木学院·沈阳,111003 |
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| 摘 要： | 结合东坪金矿南山采区1号空区的工程实际，采用Plaxis 3D Tunnel对其建立三维数值模型，并对其不同开挖顺序的开挖过程进行数值模拟。通过对开采过程中的地压活动规律和围岩稳定性进行分析，论证了地下采空区开挖方案的可行性，揭示了采空区不同开挖阶段应力的集中部位和围岩的潜在破坏部位。计算表明该空区由上向下开挖顺序较为有利，其开挖过程总体可以保持稳定，但也存在不安全隐患。计算结果对该矿山的安全生产具有指导意义。
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| 关 键 词： | 动态开挖 三维有限元 数值模拟 稳定性分析 |
| 文章编号： | 1004-4051(2006)11-0081-04 |
| 收稿时间： | 2006-05-31 |
| 修稿时间： | 2006年5月31日 |
NUMERICAL SIMULATION OF EXCAVATION PROCESS OF DONGPING MINE WORKED OUT AREA BASEDON 3D-FINITE ELEMENT METHOD |
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| Zhang jiao,Jiang Annan,Yi Nangai,Zhao Dexiao.NUMERICAL SIMULATION OF EXCAVATION PROCESS OF DONGPING MINE WORKED OUT AREA BASEDON 3D-FINITE ELEMENT METHOD[J].China Mining Magazine,2006,15(11):81-84. |
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| Authors: | Zhang jiao Jiang Annan Yi Nangai Zhao Dexiao |
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| Abstract: | Combining the practical project of NanShan No. 1 worked out area of Dong ping Gold Mine, the 3D finite element method was used to simulate the excavation process. The stress and displacement changing regulations are analyzed and the appropriate excavation sequence is selected. The damage zones and stress concentrating zones of surrounding rock are revealed. The results prove the sequence from above to below is better, and the excavated cavern is basically stable, but it also has potential dangers. Which has guiding meaning to kept safety production of the mine. |
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| Keywords: | Dynamic excavation 3-D finite element method Numerical simulation Stability analysis |
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