| 连续采煤机短壁机械化开采煤柱合理宽度研究 |
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| 引用本文： | 解兴智,高圣元,任艳芳. 连续采煤机短壁机械化开采煤柱合理宽度研究[J]. 煤炭科学技术, 2011, 39(12): 16-19 |
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| 作者姓名： | 解兴智 高圣元 任艳芳 |
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| 作者单位： | 天地科技股份有限公司开采设计事业部,北京100013／煤炭科学研究总院开采设计研究分院,北京100013 |
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| 基金项目： | “十一五”国家科技支撑计划资助项目(2006BAB16B05) |
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| 摘 要： | 为提高东圪堵煤矿1601连续采煤机短壁工作面采出率,确定合理的顶板控制技术措施,针对该矿连采工作面开采条件,采用FLAC3D数值模拟和现场观测手段,分析了1601连采工作面刀间煤柱、区间隔离煤柱不同宽度条件下顶板垮落情况。数值模拟与现场观测结果一致表明：在刀间煤柱宽1.0～1.5 m,隔离煤柱宽12 m条件下,既能最大限度地提高连采工作面采出率,又能保证顶板有规律的垮落。煤柱宽度进行合理优化后,1601连采工作面的采出率达到了68.7%,顶板垮落步距为5个联络巷宽。
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| 关 键 词： | 连续采煤机 短壁机械开采 煤柱宽度 FLAC3D数值模拟 |
Study on Rational Coal Pillar Width for Mechanized Shortwall Mining with Continuous Miner |
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| XIE Xing-zhi,,GAO Sheng-yuan,REN Yan-fang. Study on Rational Coal Pillar Width for Mechanized Shortwall Mining with Continuous Miner[J]. Coal Science and Technology, 2011, 39(12): 16-19 |
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| Authors: | XIE Xing-zhi GAO Sheng-yuan REN Yan-fang |
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| Affiliation: | XIE Xing-zhi1,2,GAO Sheng-yuan1,REN Yan-fang1,2(1.Mining and Design Department,Tiandi Science and Technology Company Ltd.,Beijing 100013,China,2.Mining and Design Branch,China Coal Research Institute,China) |
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| Abstract: | In order to improve the coal mining rate of No.1601 shortwall mining face with the continuous miner in Donggedu Mine,the rational roof control technical measures were determined.According to the mining conditions of the coal mining face with the continuous mine in Donggedu Mine,the FLAC3D numerical simulation and the site observation means were applied to analyze the roof falling conditions under different width condition of the cut pillar and the space insulated pillars of No.1601 coal mining face with the... |
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| Keywords: | continuous miner mechanized shortwall mining coal pillar width FLAC3D numerical simulation |
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