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gao he mei kuang gao chou xiang he li wei zhi de xuan ze
Author(s): 
Pages: 56-58
Year: Issue:  12
Journal: Coal

Keyword:  高抽巷瓦斯抽采裂隙带;
Abstract: 通过对高河煤矿E1305工作面布置高抽巷及高位裂隙带钻孔进行瓦斯抽放试验,结果表明顶板岩石水平巷道合理层位的选择,对于采空区瓦斯的抽放效果起着决定性的作用。高抽巷应布置在顶板裂隙的中下部采动裂隙比较发育的范围内,才能达到理想效果。针对高河煤矿3号煤层瓦斯抽采现状,应当将高抽巷布置在3号煤层顶板上方35~45 m层位处,距回风巷水平距离为65~86 m处。高抽巷的合理布置可以有效提高瓦斯抽采利用效率,对消除高河煤矿瓦斯突出、保障矿井安全生产提供了必要的技术支持。为类似矿井瓦斯抽采提供了参考依据。
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