摘要
以宁武煤田北辛窑矿南翼大巷底板突水为研究对象,通过分析矿区地质、水文地质特征,研究了矿井突水水源及突水机理。结果表明,2次突水的动态过程相似,最大涌水量和稳定涌水量具有可比性,确定为突水水源为奥灰水。同时选用井下千米定向钻探结合地面注浆治理技术方案,对突水水源进行封堵,实现了超前预注浆掩护巷道掘进。
Taking the water inrush from the floor of the south wing of the Beixinyao Mine in Ningwu Coalfield as the research object,the mine water inrush source and the mechanism of water inrush were studied by analyzing the geological and hydrogeological characteristics of the mining area.The results showed that the dynamic processes of the two water inrushes were similar,and the maximum water inflow and the stable water inflow were comparable.The source of the water inrush is determined to be Ordovician water.At the same time,the underground kilometer directional drilling combined with the ground grouting treatment technology plan was used to block the water inrush water source and realized the advance pre-grouting to shield the roadway excavation.
作者
白文斌
BAI Wen-bin(Beixinyao Coal Industry Limited,Datong Coal Mine Group,Xinzhou 036702,China)
出处
《煤炭科技》
2021年第3期76-80,共5页
Coal Science & Technology Magazine
关键词
巷道突水
千米定向钻探
地面注浆
水害防治
tunnel water inrush
kilometer directional drilling
surface grouting
water disaster prevention and control
作者简介
白文斌(1991—),男,山西大同人,助理工程师,2015年毕业于山西大同大学,现从事煤矿地质防治水相关工作。
