| 露天与地下联合开采采空区稳定性分析 |
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| 引用本文： | 吴国兴.露天与地下联合开采采空区稳定性分析[J].有色金属设计,2012(1):1-5. |
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| 作者姓名： | 吴国兴 |
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| 作者单位： | 昆明有色冶金设计研究院股份公司 |
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| 摘 要： | 针对拉拉铜矿露天与地下联合开采的复杂情况,采用FLAC3D分析一定的隔离矿柱支撑下采空区围岩变形及破坏特征。依据岩石力学摩尔—库伦准则,采用FLAC3D内嵌的FISH语言定义了剪切安全度及拉伸安全度两种破坏判据。依据模拟结果,为施工设计提供理论依据。
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| 关 键 词： | 围岩变形 采空区 剪切安全度 拉伸安全度 |
Analysis on Goaf Stability for Combined Mining in Open-Pit and Underground |
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| WU Guo-xing.Analysis on Goaf Stability for Combined Mining in Open-Pit and Underground[J].Nonferrous Metals Design,2012(1):1-5. |
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| Authors: | WU Guo-xing |
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| Affiliation: | WU Guo-xing(Kunming Engineering & Research institute of Nonferrous Metallurgy Co.Ltd,Kunming 650051,China) |
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| Abstract: | Based on complex situation of combined open and underground mining in Lala Copper Mine,the rock deformation and failure features of goaf surrounding rock under the support of isolated pillar were analyzed by FLAC3D software.In accordance with Moore-Coulomb criterion of rock mechanics,two failure criterion of shear-tensile safety were defined by using Fish language embedded in FLAC3D.On the basis of the simulated results,theoretical basis are provided for mining and construction design. |
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| Keywords: | rock deformation goaf shear safety tensile safety |
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