摘要
小回沟煤矿井田水文地质条件比较复杂,煤层开采受底板奥陶系灰岩岩溶裂隙含水层威胁较大。为全面评价9^(#)煤层底板的突水风险,采用突水系数法以及AHP型脆弱性指数法进行双重分析评价,通过横向比较和分析,最终确定采用脆弱性指数法的评价结果,小回沟煤矿井田西部地带受水害威胁较大。
The hydrogeological condition of Xiaohuigou coal mine is complex,and the coal mining is threatened by the Ordovician limestone karst fissure aquifer on the floor.In order to comprehensively evaluate the coal No.9 floor water inrush hazard,the water inrush coefficient method and the AHP vulnerability index method were used for dual analysis and evaluation.Through horizontal comparison and analysis,the evaluation result of the vulnerability index method is finally determined.The western zone of Xiaohuigou coal mine is greatly threatened by water disaster.
作者
李松
Li Song(The First Hydrogeological Exploration Team,CNACG,Handan,Hebei 056004)
出处
《中国煤炭地质》
2022年第S01期91-94,共4页
Coal Geology of China
关键词
煤层底板突水
突水系数法
脆弱性指数法
coal bed sudden water
inrush coefficient method
vulnerability index method
