| 煤矿采空区勘察与地基稳定性评估技术及其工程实践 |
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| 引用本文： | 胡炳南,胡广福. 煤矿采空区勘察与地基稳定性评估技术及其工程实践[J]. 煤矿开采, 2010, 15(2): 8-12 |
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| 作者姓名： | 胡炳南 胡广福 |
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| 作者单位： | 1. 天地科技股份有限公司,开采设计事业部,北京,100013
2. 龙煤矿业集团鸡西分公司,地质测量部,黑龙江,鸡西,158100 |
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| 摘 要： | 从煤矿采空沉陷区利用的必要性出发,介绍了煤矿采空区勘察技术和稳定性评估内容;提出了物探3种常用方法的应用条件和钻探中的技术要求;通过覆岩裂缝带高度与荷载影响深度计算,系统地研究地基空间可靠性;分析了地表移动期和地表残余移动变形,给出了适宜建设的时间建议和稳定性评估标准;提出了采空区地基的5个分区方案;介绍了煤矿采空区勘察和地基稳定性评估技术范例,旨在为采空区规划利用提供参考。
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| 关 键 词： | 采空区勘察 地基稳定性评估 残余变形 |
Technology of Gob Detection and Foundation Stability Evaluation and Its Practice |
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| HU Bing-nan,HU Guang-fu. Technology of Gob Detection and Foundation Stability Evaluation and Its Practice[J]. Coal Mining Technology, 2010, 15(2): 8-12 |
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| Authors: | HU Bing-nan HU Guang-fu |
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| Affiliation: | 1.Coal Mining & Designing Department/a>;Tiandi Science & Technology Co./a>;Ltd/a>;Beijing 100013/a>;China/a>;2.Geology Survey Department/a>;Jixi Branch/a>;Longmei Mining Group/a>;Jixi 158100/a>;China |
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| Abstract: | Based on necessity of subsidence area utilization in coal mine,this paper introduced technology of gob detection and stability evaluation for coal mine.It presented 3 usual methods' applicable conditions and technical requirements.With calculation of fissure zone height and loading influence depth for foundation stability,it analyzed influence time and residual deformation of surface subsidence and presented rational construction time and stability evaluation standard.Foundation over gob was divided into 5 ... |
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| Keywords: | gob detection foundation stability evaluation residual deformation |
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