辛置煤矿10-425工作面断层破碎带综合防水技术实践

Practice of Comprehensive Waterproofing Technology for Fault Fractured Zone of the 10-425 Working Face in Xinzhi Coal Mine

为有效防止10-425工作面回采期间断层破碎带区域出现突水事故,通过对工作面断层破碎带区域地质情况的具体分析,确定采用“迎水墙+注浆隔水体+背水墙”的综合防水方案,并对方案进行具体设计。结果表明:该方案实施后断层区域最大涌水量仅为18m^3/h,工作面在回采过程中未出现突水、下沉及异常涌水现象,实现了10-425工作面安全顺利回采。

In order to effectively prevent water inrush accident in fault fracture zone area during mining in 10-425 working face,the comprehensive waterproofing scheme of"water-head wall+grouting water-proof body+backwater wall"is determined through specific analysis of geological conditions in fault fracture zone area of working face,and the scheme is designed concretely.The results show that the maximum water inflow in fault area is only 18m^3/h after the implementation of the scheme.No water inrush,subsidence and abnormal water inflow occur in the mining process,and the safe and smooth mining of 10-425 working face is realized.