| 高应力巷道底板卸压槽防治底鼓的机理研究及实践 |
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| 引用本文： | 杨青松,高明仕,刘波涛,雷喜良.高应力巷道底板卸压槽防治底鼓的机理研究及实践[J].煤炭工程,2011(8). |
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| 作者姓名： | 杨青松 高明仕 刘波涛 雷喜良 |
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| 作者单位： | 1. 河南煤业化工集团有限责任公司永城煤电集团有限责任公司陈四楼煤矿,河南永城,476600
2. 中国矿业大学矿业工程学院,江苏徐州,221008 |
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| 基金项目： | 教育部重点项目资助(109075) |
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| 摘 要： | 随着煤矿开采深度的增加,高地应力巷道的底鼓问题越来越突出,针对这种现状,根据强弱强结构原理深入分析了底板中部卸压槽支护技术机理,在巷道围岩高强度支护的基础上,采用了底板中部卸压槽支护技术解决高地应力巷道底鼓问题。由于底板中部卸压槽施工工序复杂,施工困难,在巷道卸压支护中很少应用,为了解决施工问题,底板中部卸压槽采用了二次爆破技术,并优化技术施工方案,平行作业,保障了施工进度,成功解决了底板中部卸压槽的施工难题。现场工业试验表明,高应力巷道周围岩体的变形得到了有效地控制,采用卸压槽支护技术有效地解决了高应力巷道底臌问题,维护了巷道的稳定性,保证了矿井的安全生产。
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| 关 键 词： | 高应力巷道 底鼓 卸压槽 强弱强结构 二次爆破 |
Study and Practices on Floor Heave Prevention and Control Mechanism with Pressure Releasing Slot in Floor of Mine High Stressed Roadway |
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| YANG Qing-song,GAO Ming-shi,LIU Bo-tao,LEI Xi-liang.Study and Practices on Floor Heave Prevention and Control Mechanism with Pressure Releasing Slot in Floor of Mine High Stressed Roadway[J].Coal Engineering,2011(8). |
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| Authors: | YANG Qing-song GAO Ming-shi LIU Bo-tao LEI Xi-liang |
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| Affiliation: | YANG Qing-song1,GAO Ming-shi2,LIU Bo-tao2,LEI Xi-liang1(1.Chensilou Mine,Yongcheng Coal and Electric Power Group Corporation Ltd.,Henan Coal and Chemical Industry Group Corporation Ltd.,Yongcheng 476600,China,2.School of Mining and Engineering,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | With the mining depth increased,the floor heave problems occurred in the mine high stressed roadway became more seriously.According to the status,the strong-weak-strong structure principle was applied to in detail analyze the support technology mechanism with the pressure releasing slot in the middle part of the floor.Base on the high strength support of the surrounding rock along the mine roadway,the support technology with pressure releasing slot in the middle part of the floor was applied to solve the fl... |
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| Keywords: | mine high stressed roadway floor heave pressure releasing slot strong-weak-strong structure twice blasting |
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