摘要
元宝山露天矿西北帮疏干巷道是疏排北区地下水的主要设施,由于F3断层残余力的影响,使巷道二井井口东127 m^307 m出现不同程度的破坏,巷道失去集排水作用。通过对降水井疏干和高压喷射注浆截流几种方法的对比,采取了高压喷射注浆截水方案,取得了较好的效果。
From the influence of fracture, a drainning draft in yuanbaoshan open mine was damaged and lost its capability. A high-pressure shotcreting technique was used to get good water-prevention result.
出处
《山西煤炭》
2006年第3期26-27,30,共3页
Shanxi Coal
关键词
露天矿
降水井疏干
高压喷射注浆法
open-pit
dredge drainning draft
high-pressure shotcreting
