| 风煤钻松帮卸压在采掘工作面巷道中的应用 |
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| 引用本文： | 杜青炎,张东宝.风煤钻松帮卸压在采掘工作面巷道中的应用[J].煤炭技术,2009,28(4). |
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| 作者姓名： | 杜青炎 张东宝 |
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| 作者单位： | 义马煤业集团,铁生沟煤矿,河南,巩义,451274 |
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| 摘 要： | "三软"不稳定煤层松软围岩条件下的巷道支护,一直是困绕义马煤业集团铁生沟煤矿的支护难题。文章在总结多年经验的基础上,针对松软围岩条件下巷道压力大、两帮鼓出、底鼓严重,造成支架变形、巷道失修、断面缩小等情况的治理,提出一些可借鉴的方法。
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| 关 键 词： | 三软煤层 支护 采矿工作面 |
Application of Loosening Roadway Sides and Pressure Relief with Wind-coal Drill in Roadway of Excavation Face |
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| DU Qing-yan,ZHANG Dong-bao.Application of Loosening Roadway Sides and Pressure Relief with Wind-coal Drill in Roadway of Excavation Face[J].Coal Technology,2009,28(4). |
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| Authors: | DU Qing-yan ZHANG Dong-bao |
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| Affiliation: | Tieshenggou Coal Mine;Yima Coal Industry Group;Yima 451274;China |
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| Abstract: | Roadway support under the conditions of soft rock in "three soft" instability coal seam has been a difficult support problem in Tieshegou Coal Mine,Yima Coal Industry Group.On the basis of many years experience,aimming at some conditions,such as large roadway pressure,bulge from two sides,serious pucking,support deformation,roadway disrepair,sectional narrowing,some reference methods are provided. |
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| Keywords: | "three soft" coal seam support excavation face |
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