在掘进工作面中，煤层占4/5以上为煤巷。
The deformation of narrow coal pillar is complex because of the influence of dynamic pressure, which brings great challenge for the bolt support technology of coal roadway.
综放面窄煤柱由于受到动压的影响,其破坏规律异常复杂,这导致煤巷锚杆支护技术遇到极大的挑战。
参考来源 - 深井综放面沿空掘巷窄煤柱破坏规律及其控制机理研究Coal tunnel bolting has the feature of hiding. Surrounding rock damage hasn’t obvious omen.
煤巷锚杆支护由于其隐蔽性,围岩的破坏失稳没有明显的预兆,一旦发生冒顶,危害性较大。
参考来源 - 电磁辐射在煤巷锚杆支护监测中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
煤巷快速掘进有综掘和炮掘两种方法。
Coal lane driving includes complex driving and blasting driving.
介绍了煤巷掘进工作面局部通风管理方法及管理经验。
The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.
文章对“孤岛面”全煤巷锚杆支护技术应用做了简要介绍。
This paper briefly introduces the application of pin timbering of full coal road in "islet faces".
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