| 内蒙白音华一号露天煤矿首采区南(非工作)帮边坡稳定性评价 |
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| 引用本文： | 刘大野,陈立云,党广民.内蒙白音华一号露天煤矿首采区南(非工作)帮边坡稳定性评价[J].中国煤炭地质,2010(7):41-47. |
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| 作者姓名： | 刘大野 陈立云 党广民 |
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| 作者单位： | 内蒙古自治区煤田地质局104勘探队;西安煤炭建设监理中心; |
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| 摘 要： | 根据工程地质勘察成果,分析了首采区南(非工作)帮边坡岩体的工程地质条件,并据此进行了岩石物理力学性质统计,软弱层(面)分布特征以及泥岩、炭质泥岩对地下水敏感度等研究。在此基础上建立了不同条件下不同滑面类型的边坡极限平衡法数值分析模型,并进行了相应的边坡稳定性计算成果评价,由此提出了南(非工作)帮边坡角的建议值:次边坡角采用值α1≤13°,主边坡角采用值α2≤19°。根据评价结果提出了修正岩体力学参数、合理调整采区和留设安全煤壁的建议。该评价结果为露天煤矿总平面设计系统中的边坡设计提供了依据。
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| 关 键 词： | 工程地质条件 软弱结构面（层） 边坡 稳定性评价 极限平衡法 白音华一号露天煤矿 |
Slope Stability Assessment of South (Non-working) Wall in First Winning District of Baiyinhua No.1 Surface Coalmine |
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| Liu Daye,Chen Liyun,Dang Guangmin.Slope Stability Assessment of South (Non-working) Wall in First Winning District of Baiyinhua No.1 Surface Coalmine[J].Coal Geology of China,2010(7):41-47. |
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| Authors: | Liu Daye Chen Liyun Dang Guangmin |
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| Institution: | Liu Daye1,Chen Liyun1,Dang Guangmin2(1.No.104 Exploration Team,Inner Mongolia Bureau of Coal Geological Exploration,Chifeng,Inner Mongolia 024005,2.Xian Coalmine Construction Supervision Center,Xian,Shaanxi 710054) |
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| Abstract: | Based on the engineering geological exploration data,analyzed engineering geological conditions of the south(non-working) wall in the first winning district of the Baiyinhua No.1 surface coalmine.On these grounds,have carried out statistics of rock physical and mechanical properties,and studies on weak layer(surface) distribution features and water sensitivity of mudstone,carboniferous mudstone.Then established slope limit equilibrium method numerical analysis models of different slip surface types under di... |
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| Keywords: | engineering geological condition weak structural plane(layer) slope stability assessment limit equilibrium method Baiyinhua No 1 surface coalmine |
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