在建煤矿突水水源分析与防治方法研究
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摘要
鸣西煤矿属新建矿井,其开采深度大、地质构造复杂、水文地质条件复杂,为消除建井过程中突水威胁,据钻孔和三维物探的资料,对鸣西煤矿突水水源与防治方法进行研究。结果表明:该矿充水水源为地表水体与大气降雨,煤层底板的茅口灰岩含水层通过断层、裂隙导水为矿井突水水源,做好煤层与茅口灰岩间距离预测的同时,在掌握断层、裂隙导水情况下,提出了鸣西煤矿防治水害的"防、探、堵、排"具体措施,2010年9月以来,鸣西煤矿井下杜绝了灰岩水突水事故,目前已顺利投产。
Mingxi Mine was a new constructed mine,the mining depth of the mine was deep.The geological structure and the hydrogeological condition was complicated.In order to eliminate mine water inrush danger occurred in the mine construction process,according to the information of the boreholes and 3D geophysical explorations,a study was conducted on the water inrush sources and prevention method.The results showed that the filling water sources of the mine came from the surface water and raining.The water inrush sources were the water flow of the fault and fractures in the Maokou limestone aquifer under the floor of the seam.Based on the distance prediction between the seam and Maokou limestone,and the full understanding of the water flow conditions of the fault and fractures,certain measures of prevention,exploration,sealing and drainage were provided for the water disaster prevention.Since september of 2010,there was no limestone water inrush accident occurred in underground mine construction project of Mingxi Mine and the mine was successfully in production.
Mingxi Mine was a new constructed mine,the mining depth of the mine was deep.The geological structure and the hydrogeological condition was complicated.In order to eliminate mine water inrush danger occurred in the mine construction process,according to the information of the boreholes and 3D geophysical explorations,a study was conducted on the water inrush sources and prevention method.The results showed that the filling water sources of the mine came from the surface water and raining.The water inrush sources were the water flow of the fault and fractures in the Maokou limestone aquifer under the floor of the seam.Based on the distance prediction between the seam and Maokou limestone,and the full understanding of the water flow conditions of the fault and fractures,certain measures of prevention,exploration,sealing and drainage were provided for the water disaster prevention.Since september of 2010,there was no limestone water inrush accident occurred in underground mine construction project of Mingxi Mine and the mine was successfully in production.
引文
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