Technique and effect about gas-suction by drills along strike direction of C13-1 coal's roof in Xieqiao mine
Author(s): HUANG Jiming, ZHOU Zhankui, ZHANG Genfa, CHEN Luwang
Pages: 49-52,55
Year: 2001 Issue: z1
Journal: COAL MINING TECHNOLOGY
Keyword: 顶板走向钻孔; 抽放技术; 效果;
Abstract: 介绍了谢桥煤矿工作面回风巷瓦斯超限,上隅角瓦斯积聚的原因,顶板走向钻孔抽放技术以及在1141(3)工作面的应用及其效果分析,指出了存在的问题及对策.
Pages: 49-52,55
Year: 2001 Issue: z1
Journal: COAL MINING TECHNOLOGY
Keyword: 顶板走向钻孔; 抽放技术; 效果;
Abstract: 介绍了谢桥煤矿工作面回风巷瓦斯超限,上隅角瓦斯积聚的原因,顶板走向钻孔抽放技术以及在1141(3)工作面的应用及其效果分析,指出了存在的问题及对策.
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