整合矿井老空区下顺槽施工技术

Construction Technology of Sublevel Roadway under Goaf of Integrated Mine

本文介绍了韩咀煤矿在3104主运顺槽施工中遇到2号煤老空区时,实施超前探放水、超前化学注浆固结破碎带和壁后充填空隙相结合、超前管棚临时支护等方式,顺利通过442.5m老空区,取得良好的效果,为在老空区下或老空区内巷道施工提供参考。

This paper introduces that in the construction of 3104 main transport gateway of Hanzui Coal Mine encountered No.2 coal goaf,through the implementation of advanced water exploration and drainage,chemical grouting consolidation of broken zone and filling the gap behind the wall,advanced pipe shed temporary support and other ways,it successfully passed through the 442.5m old goaf,and achieved good results,which provided reference for roadway construction under or within the old goaf.