不稳定围岩掘进巷道支护优化  

Support Optimization of Driving Roadway in Unstable Surrounding Rock

作　　者：牛剑韬 Niu Jiantao(Gaoping Coal Safety Production Center,Shanxi Gaoping 048000)

机构地区：[1]高平市煤炭安全生产中心,山西高平048000

出　　处：《山东煤炭科技》2022年第5期78-79,83,共3页Shandong Coal Science and Technology

摘　　要：基于四明山煤矿9104运输顺槽掘进期间受上覆3#煤层采空区淋水影响,导致顶板锚杆(索)支护锚固效果差、顶板下沉严重等情况,对原巷道顶板支护进行优化,提出了“注浆+锚索架棚”联合支护技术,有效提高了顶板围岩整体稳定性,保证了巷道安全快速掘进。Based on the fact that the goaf of the overlying 3#coal seam is affected by water during the excavation of the 9104 transportation channel in Simingshan Coal Mine,resulting in poor anchoring effect of roof bolt(cable)support and serious roof subsidence,the roof support of the original roadway is optimized,the combined support technology of"grouting+anchor cable frame shed"is put forward,which effectively improves the overall stability of the surrounding rock of the roof and ensures the safe and rapid excavation of the roadway.

关 键 词：巷道 淋水区 支护 优化 

分 类 号：TD353[矿业工程—矿井建设]