| 崔家寨煤矿近距离煤层群开采巷道稳定性分析 |
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| 引用本文： | 刘建军.崔家寨煤矿近距离煤层群开采巷道稳定性分析[J].煤炭科学技术,2009,37(3). |
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| 作者姓名： | 刘建军 |
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| 作者单位： | 开滦(集团)有限责任公司,蔚州矿业公司,崔家寨矿,河北蔚县075700
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| 摘 要： | 基于崔家寨煤矿E12503工作面运输巷以及相邻的E12505工作面运输巷出现的冒顶等一系列巷道失稳问题,考虑到回采巷道所处煤层群中的空间位置,综合分析上下煤层之间、邻近工作面及煤柱的留设等因素对巷道的影响,研究了造成巷道破坏的机理.通过分析研究,提出了巷道的布置、煤柱宽度的留设及锚杆支护参数的选取及施工方案,并对巷道稳定控制采取有效措施.
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| 关 键 词： | 顶板失稳 底板巷道 煤柱 采动影响 锚杆支护 |
Stability Analysis of Mining Gateway under Seam Group Mining with Closed Distance Between Seams in Cuijiazhai Mine |
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| LIU Jian-jun.Stability Analysis of Mining Gateway under Seam Group Mining with Closed Distance Between Seams in Cuijiazhai Mine[J].Coal Science and Technology,2009,37(3). |
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| Authors: | LIU Jian-jun |
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| Affiliation: | Cuijiazhai Coal Mine;Yuzhou Coal Mining Company;Kailuan Group Corportion Ltd.;Yuxian 075700;China |
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| Abstract: | Base on the a series of gateway unstable problems,such as the roof falling occurred in the transportation gateway of E12503 coal mining face and the transportation gateway of the neighbor E12505 coal mining face of Cuijiazhai Coal Mine,in consideration of the space location of the mining gateway in the seam group,the paper comprehensively analyzed the factors between the up and down seams,neighbor coal mining face and coal pillar layout affected to the mining gateways and studied the mechanism to cause the ... |
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| Keywords: | roof stability lost floor gateway coal pillar mining activity influence bolt support |
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