| 极近距离下位煤层回采巷道优化布置研究 |
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| 引用本文： | 武腾飞,查文华,李雪,储欣欣.极近距离下位煤层回采巷道优化布置研究[J].煤炭技术,2014(8):63-66. |
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| 作者姓名： | 武腾飞 查文华 李雪 储欣欣 |
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| 作者单位： | 安徽理工大学煤矿安全高效开采省部共建教育部重点实验室;安徽理工大学能源与安全学院 |
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| 基金项目： | 国家自然科学基金(51004002);安徽省自然科学基金项目(1208085ME72);高等学校博士点新教师基金项目(20103415120001);安徽省高校省级自然科学研究项目(KJ2012A088) |
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| 摘 要： | 采用数值模拟及现场试验相结合的方法,确定了极近距离下部煤层回采巷道的合理位置,即通过数值模拟得出了巷道围岩变形量、两帮垂直应力、塑性区分布情况及对煤层群开采巷道布置合理位置的理论计算。
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| 关 键 词： | 极近距离煤层群 沿空掘巷 护巷煤柱 煤柱宽度 |
Determining Reasonable Width of Chain Pillar of Deep Coal Seams Roadway Driving along Next Goaf |
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| WU Teng-fei;ZHA Wen-hua;LI Xue;CHU Xin-xin.Determining Reasonable Width of Chain Pillar of Deep Coal Seams Roadway Driving along Next Goaf[J].Coal Technology,2014(8):63-66. |
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| Authors: | WU Teng-fei;ZHA Wen-hua;LI Xue;CHU Xin-xin |
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| Affiliation: | WU Teng-fei;ZHA Wen-hua;LI Xue;CHU Xin-xin;Key Laboratory of Mine Safety and High Efficient Mining Cosponsored by Anhui Province and Ministry of Education,Anhui University of Science and Technology;School of Energy and Safety,Anhui University of Science and Technology; |
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| Abstract: | By using the combination of numerical simulation and field test,there comes the determination for the reasonable position of the very close quarter of coal seams under goaf.The theoretical calculation of surrounding rock deformation,two side vertical stress,the space arrangement relationship between plastic area distribution and work gallery,the reasonable position of coal mining roadway layout is obtained by numerical simulation. |
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| Keywords: | ultra close multi-seam roadway driving along next goaf chain pillar pillar width |
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