| 三软煤层复采沿空巷道底鼓机理及支护技术 |
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| 引用本文： | 魏胜利,王京龙,朱济勋,刘东亮,张登明,贺命峰,李亮,王宝. 三软煤层复采沿空巷道底鼓机理及支护技术[J]. 煤炭科学技术, 2009, 37(5) |
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| 作者姓名： | 魏胜利 王京龙 朱济勋 刘东亮 张登明 贺命峰 李亮 王宝 |
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| 作者单位： | 魏胜利,WEI Sheng-li(山西大同大学工学院,山西,大同,037003);王京龙,朱济勋,刘东亮,张登明,贺命峰,李亮,王宝,WANG Jing-long,ZHU Ji-xun,LIU Dong-liang,ZHANG Deng-ming,HE Ming-feng,LI Liang,WANG Bao(华润天能煤电公司,新庄煤矿,江苏,徐州,221132) |
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| 摘 要： | 为解决新庄煤矿三软煤层复采煤柱时沿空巷道底鼓问题,对现工字钢梯形棚式支护下的巷道顶底板移动变形及支架受力情况进行了观测.根据巷道变形实际情况,分析了该沿空巷道围岩应力分布特点、底鼓类型、影响因素,预测了底鼓量及构成,以此对底板加固采取了锚网支护技术,现场应用试验表明该巷道支护技术取得较好的效果.
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| 关 键 词： | 三软煤层 煤柱复采 沿空掘巷 巷道底鼓 |
Floor Heave Mechanism and Support Technology of Goaf-Side Gateway for Re-mining in Seam with Soft Roof,Soft Coal and Soft Floor |
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| WEI Sheng-li,WANG Jing-long,ZHU Ji-xun,LIU Dong-liang,ZHANG Deng-ming,HE Ming-feng,LI Liang,WANG Bao. Floor Heave Mechanism and Support Technology of Goaf-Side Gateway for Re-mining in Seam with Soft Roof,Soft Coal and Soft Floor[J]. Coal Science and Technology, 2009, 37(5) |
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| Authors: | WEI Sheng-li WANG Jing-long ZHU Ji-xun LIU Dong-liang ZHANG Deng-ming HE Ming-feng LI Liang WANG Bao |
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| Affiliation: | WEI Sheng-li1,WANG Jing-long2,ZHU Ji-xun2,LIU Dong-liang2,ZHANG Deng-ming2,HE Ming-feng2,LI Liang2,WANG Bao2 (1.School of Engineering,Shanxi Datong University,Datong 037003,China,2.Xinzhuang Mine,Huarun Tianneng Coal and Electric Power Company,Xuzhou 221132,China) |
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| Abstract: | In order to solve the floor heave problem of the goaf side gateway for the re-mining of the coal pillars in the seam with soft roof,soft coal and soft floor in Xinzhuang Coal Mine,there were observations conducted on the roof and floor displacement and deformation of the gateway and the support stressed conditions of the gateway under the present H steel technical square shield supports.According to the deformation actual conditions of the gateway,the paper analyzed the surrounding rock stress distribution ... |
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| Keywords: | seam with soft roof soft coal and soft floor re-mining of coal pillar gateway driving along goaf side floor heave of gateway |
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