摘要
车集煤矿开采的二2煤层受底板太灰水威胁。针对2311工作面,采用突水系数法对工作面底板突水危险性进行评价,并提出底板注浆加固治理措施,统计分析底板改造前后各钻孔出水层位及出水量,结合物探手段,评价改造成果,保障安全回采。
The coal of Juji coal mine is threatened by limestone karstic water in Taiyuan formation.for the 2311 working face, estimates the water inrush danger with the water inrush coefficient. Grouting reconstruction is applicated to control water inrush from floor.On the base of the statistics and analysis of water leakage position and flow of water in every borehole before and after grouting reconstruction, estimates the effect of grouting reconstruction with geophysical exploration methods.
出处
《煤炭技术》
北大核心
2017年第6期181-183,共3页
Coal Technology
关键词
车集煤矿
突水危险性评价
注浆改造
Juji coal mine
risk evaluation methods of water inrush
grouting reconstruction
