| 东曲煤矿工作面超前支承压力分布规律研究 |
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| 引用本文： | 薛诚,赵建峰,王港胜.东曲煤矿工作面超前支承压力分布规律研究[J].煤炭科学技术,2011,39(6):9-11. |
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| 作者姓名： | 薛诚 赵建峰 王港胜 |
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| 作者单位： | 中国矿业大学应用技术学院,江苏徐州,221008 |
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| 摘 要： | 基于回采工作面超前支承压力对冲击地压、煤与瓦斯突出等现象有直接影响,结合东曲煤矿14305工作面的开采条件,通过理论计算及采用UDEC2D4.0数值模拟,对该工作面超前支承压力的分布规律进行研究,同时对现场实测超前支承压力数据进行统计分析,得出了超前支承压力的分布规律。14305工作面超前支承压力的影响范围约为35 m,超前支承压力峰值约为16 MPa,并距工作面8~10 m,应力集中系数约为2.2,可为东曲煤矿煤柱宽度、工作面支护参数设计提供技术支持。
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| 关 键 词： | 综采工作面 超前压力 数值模拟 UDEC2D4.0 |
Study on Pilot Roof Support Pressure Distribution Law of Coal Mining Face in Dongqu Mine |
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| XUE Cheng,ZHAO Jian-feng,WANG Gang-sheng.Study on Pilot Roof Support Pressure Distribution Law of Coal Mining Face in Dongqu Mine[J].Coal Science and Technology,2011,39(6):9-11. |
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| Authors: | XUE Cheng ZHAO Jian-feng WANG Gang-sheng |
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| Affiliation: | XUE Cheng,ZHAO Jian-feng,WANG Gang-sheng(School of Applied Technology,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | Due to the pilot roof support pressure of the coal mining face had a direct influences to the mine pressure bumping,the coal and gas outburst and other phenomenon,in combination with the mining conditions of No.14305 coal mining face in Dongqu Mine,the theoretical calculation and the UDEC2D4.0 numerical simulation was applied to study the distribution law of the pilot roof support pressure in the coal mining face.Meanwhile the statistic analysis was conducted on the pilot roof support pressure data measured... |
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| Keywords: | fully mechanizedcoal mining face pilot roof pressure numerical simulation UDEC2D4 0 |
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