李洋,王金平,魏启明
LI Yang,WANG Jinping,WEI Qiming

• 1:神华宁夏煤业集团羊场湾煤矿

摘要(Abstract)：

为探测井下工作面顶板水害,以羊场湾煤矿160201工作面顶板为例,采用瞬变电磁法,通过改变探测倾角实现对风巷、机巷顶板导水裂隙带不同方向的探测,在此基础上建立工作面顶板瞬变电磁视电阻率三维数据体对各层位导水裂缝富水性进行了分析。疏放水钻孔试验结果表明瞬变电磁法可准确有效用于井下工作面顶板导水裂缝的探测。
In order to detect the roof water hazard in underground working face, taking the roof of working face 160201 of Yangchangwan coal mine as an example, the transient electromagnetic method was adopted to detect at different direction the water-conducting crack zone in the roof of air roadway and belt transporter roadway. On this basis, the three-dimensional resistivity data of the transient electromagnetic apparent resistivity of the working face roof were established to analyze the water abundance of water-conducting fractures of different horizons. The results of borehole drainage test show that transient electromagnetic method can accurately and effectively detect the water-conducting cracks in the roof of underground working face.

关键词(KeyWords)： 瞬变电磁;工作面顶板;导水裂缝
TEM;working face roof;water-conducting crack

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李洋,王金平,魏启明
LI Yang,WANG Jinping,WEI Qiming

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