山西三元煤业4326工作面煤层顶底板富水性探测与分析
Detection and Analysis of Water Richness of Coal Seam Roof and Floor in 4326 Working Face of Sanyuan Coal Mine,Shanxi Province
李朋1
作者信息
摘要
为了查明三元煤业工作面勘探范围内顺煤层及煤层顶底板上下煤岩段富水性,保证工作面安全生产,采用音频电透视物探方法探查工作面顺煤层及顶底板方向的富水性情况.探测结果表明:在底板0～80 m范围内存在3处电性异常区,2处异常区分布在向斜轴部区域附近,为受向斜轴部影响煤层底板砂岩和灰岩含水层局部富水所致;1处异常区为底板K7砂岩含水层局部富水所致.分析结果对工作面安全回采及防治水工作起到指导作用.
Abstract
In order to find out the water-richness of the upper and lower coal and rock sections along the coal seam and the roof and floor of the coal seam in the exploration range of the working face of Sanyuan Coal Industry,and ensure the safe production of the working face,the audio-frequency electrical perspec-tive geophysical prospecting method was used to explore the water-richness of the working face along the coal seam and the roof and floor.The detection results show that there are three electrical anomaly areas in the range of 0～80 m in the floor,and two anomaly areas are distributed near the syncline axis,which are caused by the local water enrichment of sandstone and limestone aquifers in the coal seam floor affected by the syncline axis.One abnormal area is caused by local water enrichment in the K7 sandstone aquifer of the floor.The analysis results play a guiding role in the safe mining and water prevention and control of the work-ing face.
关键词
煤层顶底板/音频电透视仪/富水性/水害防治Key words
roof-floor of coal seam/audio-frequency electrical perspective/water-richness/water damage prevention引用本文复制引用
出版年
2023
NETL
NSTL
维普
万方数据