文章摘要信息 关键词 ： 厚硬火成岩；突出煤层；动力灾害；离层裂隙 [gap=1435]Keywords : thick hard igneous rock ；outburst coal seam ；dynamic disaster ；separation fracture
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In view of the low permeability and high gas-outburst coal seam of the excavating working faces, this dissertation advances a new technology that uses long-hole pre-splitting controlling blast worked along with long borehole draining。
本论文主要针对低透气性高瓦斯突出煤层采掘工作面,提出了采取深孔预裂控制爆破配合长钻孔抽放的技术。
参考来源 - 高瓦斯低透气性煤层强化增透抽放瓦斯技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
其二为自封闭型，以突出煤层为代表。
Another is called reservoir self trap, represented by the outburst coal seam.
顶板管理是石门揭露突出煤层过程中的管理重点。
Roof control is key management of opening up coal seam with potential outburst in crosscut.
突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.
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