| 高陡边坡对矿体围岩稳定性影响的研究 |
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| 引用本文： | 徐曦,周斌. 高陡边坡对矿体围岩稳定性影响的研究[J]. 工程建设与设计, 2013, 0(12): 132-135 |
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| 作者姓名： | 徐曦 周斌 |
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| 作者单位： | [1]浙江省水利水电勘测设计院,杭州310002 [2]浙江省交通规划设计研究院,杭州310006 |
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| 摘 要： | 以FLAC3D作为基本的分析工具,按照动态数值模拟思路,以大冶铁矿东露天的工程地质条件为依据,系统研究了无边坡和有边坡两种情况下,矿体开挖过程中巷道围岩塑性屈服区的变化和分布特征,分析表明：在整个矿体的开挖过程中,矿体周围岩体的屈服区大小是随开挖深度的不断增加而增大,并且其破坏类型也随开挖深度的增加而改变,高陡边坡的存在使塑性屈服区的体积明显增加.
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| 关 键 词： | 高陡边坡 围岩稳定性 数值模拟 |
Study on Wall Rock Stability of Underground Mining Under the High and Steep Slope |
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| XU Xi,ZHOU Bin. Study on Wall Rock Stability of Underground Mining Under the High and Steep Slope[J]. Construction & Design for Project, 2013, 0(12): 132-135 |
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| Authors: | XU Xi ZHOU Bin |
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| Affiliation: | 1.Zhenjiang Design Institute of Water Conservancy and Hydroelectric Power,Hangzhou 310002,China; 2.Zhejiang Provincial Institute of Communications Planning,Design＆ Research,Hangzhou 310006,China) |
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| Abstract: | According to the new methods of dynamic numerical simulation analysis and basing on the engineering geological conditions of DaYe iron mine, the numerical simulation results are obtained, from which the author analyze systematically the distribution features of plastic zone around the underground mining after excavation are studied systematically in the dissertation~ The Analysis Result Indicates that, the plastic zone around the underground mining increase Along with the increase of depth, and it be markedly increased Under the High and Steep Slope |
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| Keywords: | the high and steep slope wall rock stability numerical simulation |
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