文章详细信息 关键词： 深孔预裂爆破;;硬夹矸;;葛亭煤矿 [gap=357]Keywords: deep-hole pre-splitting blasting;hard band;Geting coal mine
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In order to control gas accidents efficiently, this article has put forward the task of research on the gas drainage by deep-hole presplitting blast.
为了对瓦斯事故进行有效的防治,本文提出了深孔预裂爆破抽放瓦斯的研究课题。
参考来源 - 深孔预裂爆破抽放瓦斯的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在石人沟铁矿的试验结果表明采用垂直深孔预裂爆破技术在该矿是一种可行方案。
The test results show that the technology of vertical deep hole presplitting blast is a feasible method in Shi Rengou Iron Mine.
煤层深孔预裂爆破近年来在瓦斯抽放中运用日益增多，但目前对其爆破理论研究较少。
The technique of deep-hole presplitting blasting in coal bed is widely used for gas predrainage recently; but its blasting theory is not clear up to now.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
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