| 五道岭钼矿大规模采空区群失稳复活的数值模拟 |
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| 引用本文： | 刘超,杨仕教,王洪武,乔洪波. 五道岭钼矿大规模采空区群失稳复活的数值模拟[J]. 现代矿业, 2011, 27(3): 6-8 |
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| 作者姓名： | 刘超 杨仕教 王洪武 乔洪波 |
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| 作者单位： | 1.南华大学；2.湖南风格科技有限公司；3.哈尔滨松江铜业集团 |
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| 基金项目： | 国家自然科学基金资助项目，湖南省自然科学基金资助项目 |
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| 摘 要： | 五道岭钼矿由于无序开采形成了大规模的采空区群，先后造成了3次大规模的地压活动，大量矿柱失稳破坏。根据现场复杂采空区群的几何形态，建立矿山遗留空区三维数值模型。利用MIDAS对上部采空区及隔离带的应力、位移和塑性区分布特征进行了数值模拟。数值结果表明：五道岭钼矿大规模采空区群必须进行充填处理，否则，极有可能出现失稳复活现象。
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| 关 键 词： | 钼矿 采空区 围岩稳定 数值模拟 |
Numerical Simulation on the Instability and Resurrection of Large-scale Mined-out Area in Wudaoling Molybdenum Mine |
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| Liu Chao,Yang Shijiao,Wang Hongwu,Qiao Hongbo. Numerical Simulation on the Instability and Resurrection of Large-scale Mined-out Area in Wudaoling Molybdenum Mine[J]. Modern Mining, 2011, 27(3): 6-8 |
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| Authors: | Liu Chao Yang Shijiao Wang Hongwu Qiao Hongbo |
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| Affiliation: | 1. University of South China；2. Hunan Style Technology Co.,Ltd；3. Harbin Songjiang Copper Industry Group |
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| Abstract: | Large-scale mined-out area are formed in molybdenum mine of Wudaoling due to disorderly exploitation, 3 times of large-scale ground pressure activities are caused one after another, and a great number of pillars were broken. Due to the geometric shape situation of complicated mined-out area, the three dimensional numerical model of mine left behind mined-out area was established. Numerical simulation was done on distribution of stress, displacement and plastic zone of upper mined-out area and isolation strip by MIDAS. The numerical results indicate that the large-scale mined-out area in molybdenum mine of Wudaoling must be filled, otherwise, instability and resurrection phenomenon is extreme possible appear. |
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| Keywords: | Key words: Molybdenum mine Mined-out area Surrounding rock stability Numerical simulation |
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