鹿台山煤矿切顶卸压无煤柱成巷技术应用分析

Analysis on Technology Application of Cutting Top Unloading and Non-pillar Alley in Lutaishan Coal Mine

针对鹿台山煤业2号煤层留设区段煤柱护巷造成资源浪费以及由于留设区段煤柱产生较强的应力集中危害生产等问题,经过查阅大量的相关文献以及大量的矿井调研,提出切顶卸压无煤柱开采技术;并通过分析切顶卸压的作用机理,提出本矿的切顶卸压的具体参数以及相应的支护方式;通过现场观测表明所选用的参数较为合理。

in view of the waste of resources caused by coal column protecting lanes in the remaining section of coal seam No.2 in lutai mountain coal industry and the strong stress concentration hazards of coal pillar in the remaining section,after consulting a lot of relevant literature and a lot of mine research,the paper puts forward the technique of cutting top to relieve pressure without coal pillar mining.By analyzing the action mechanism of the cutting top unloading pressure,the concrete parameters of the cutting top unloading pressure and the corresponding support methods are put forward.The field observation shows that the selected parameters are reasonable.