| 西铭矿极近距离煤层回采巷道布置方式分析 |
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| 引用本文： | 苑杰.西铭矿极近距离煤层回采巷道布置方式分析[J].江西煤炭科技,2021(1):34-36,40. |
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| 作者姓名： | 苑杰 |
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| 作者单位： | 山西西山煤电股份有限公司西铭矿,山西 太原 030052 |
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| 摘 要： | 西铭矿下组煤8#、9#为极近距离开采煤层;以9#煤层49403工作面回采巷道布置方式选择为工程实例;采用数值模拟方法,对9#煤层回采巷道三种不同布置方案进行详细分析;根据数值模拟结果,作对比分析后认为内错距离为中对中7 m煤柱的布置方式最为合理;回采巷道拟采用锚网索联合支护方式.
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| 关 键 词： | 极近距离煤层 回采巷道 布置方式 数值模拟 FLAC-3D |
Analysis of Layout Mode of Gateway with Ultra-close Coal Seam in Ximing Colliery |
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| Yuan Jie.Analysis of Layout Mode of Gateway with Ultra-close Coal Seam in Ximing Colliery[J].Jiangxi Coal Science & Technology,2021(1):34-36,40. |
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| Authors: | Yuan Jie |
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| Affiliation: | (Ximing Colliery,Xishan Coal and Electricity Co.,Ltd.,Taiyuan,Shanxi 030052) |
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| Abstract: | By detailed analysis of three different layout modes by numerical simulation at 49403 gateway in No.9 ultra-close coal seam,the author determines the most reasonable layout mode with internal distance of centering 7 m coal pillar and proposes the bolt-mesh-cable combined support. |
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| Keywords: | ultra-close coal seam gateway layout numerical simulation FLAC-3D |
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