南李庄矿主井施工突水防治技术

Prevention and control techniques for water inrush in main shaft construction of Nanlizhuang mine

防治水是矿山建设施工的重要环节。南李庄矿属于水文地质条件复杂的大水岩溶矿山,介绍了主井掘进-129 m水平突水及治水过程,在查清该矿区水文地质条件及矿井突水要因的基础上,为综合防治竖井掘进期间通过特殊地质构造段突水,提出相应的主井掘进帷幕注浆防治水技术及措施,并在掘进工程中收到了良好的应用效果,对类似特殊条件下的矿山井巷掘进工程具有借鉴意义。

Prevention and control measures of mine water are important parts of the mine construction, Nanl- izhuang mine is a fissured karsts mine with complex hydro-geological conditions, the paper introduces the situation of water inrush at the depth of - 129 m and the flood control process in the main shaft excavation. Based on the investi- gations of hydro-geological conditions and reasons for mine water inrush, a corresponding Curtain Grouting prevention and control measure was put forward to comprehensively prevent and control water inrush during the main shaft exca- ration. The measure achieves satisfactory results in excavations with similar special conditions. and it provides references to main shaft excavations