煤矿安全2019，Vol.50Issue(5)：190-193,4.DOI:10.13347/j.cnki.mkaq.2019.05.047
煤矿底板突水微震监测预警系统构建与分析
Construction and Analysis of Microseismic Monitoring and Early Warning System for Mine Floor Water Inrush
摘要
Abstract
To effectively curb the serious impact of coal mining water inrush disasters on mine safety production, seeking the intrinsic mechanism of inducing water inrush from coal mines and the law of micro-cracking, and then analyzing and predicting coal mining water inrush disasters, microseismic monitoring technology was combined with the hydrogeological conditions of Dongjiahe Coal Mine to establish a microseismic monitoring system. Microseismic monitoring was performed on the floor of 22517 working face in Dongjiahe Coal Mine, and a method of determining the floor destruction depth through microseismic monitoring and columnar comprehensive analysis of geological drilling was obtained. Microseismic monitoring results show that the microseismic events are mainly distributed in three regions. The overall trend of the floor of the 22517 working face of Dongjiahe Coal Mine is stable, but the local damage may occur, so that the permeability coefficient of the local rock mass is increased to form the floor water outlet point, which may be located between 50 m in front and 30 m behind the working face.关键词
微震监测/煤矿突水/底板承压水/底板破坏深度/预警系统Key words
micro-seismic monitoring/coal mine water inrush/floor pressurized water/floor destruction depth/early warning system分类
矿业与冶金引用本文复制引用
王悦,于水,王苏健..煤矿底板突水微震监测预警系统构建与分析[J].煤矿安全,2019,50(5):190-193,4.基金项目
:"十三五"国家重点研发计划资助项目(2017YFC0804106) （2017YFC0804106）
国家自然科学基金青年科学基金资助项目(41602254) （41602254）
