瞬变电磁法在煤矿不明采空区积水探测中的应用
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摘要
为了减少煤矿透水事故的发生,采用瞬变电磁法对不明采空区积水情况进行探测。瞬变电磁对低阻反映异常灵敏,能够依据视电阻率的变化来判断采空区的积水性,提高了对采空区及其积水情况的探测效果。在现场踏查以及资料分析的基础上推测早期矿井对各个煤层的开采情况;根据瞬变电磁法工作原理以及采空积水区地球物理特征确定了对测试结果的解释方法,然后对典型测线多测道电压剖面图、视电阻率拟断面图、典型测道等电压值平面图和等视电阻平面图进行分析,确定2#和6#煤层的采空积水区的位置和范围。
In order to reduce the happening of water inrush accident in coal mine,the transient electromagnetic method is adopted to explore unknown goaf water situation.Transient electromagnetic was sensitived to low resistivity anomalies reflect,could determine goaf water accumulated areas according to change of apparent resistivity,improved the detection effect of goaf and water accumulated areas.Through reconnaissant survey and based on the analysis of the data to speculate the mining state in the early of each coal seam mining; According to the working principle of the transient electromagnetic method and the geophysical characteristics of goaf water determined the analysis method of test results,and then analyzed the voltage profile and apparent resistivity profile on the typical line of more tests and equal voltage planar gragh and equal visual resistance planar graph on the typical test,determined 2# and 6# coal seam goaf water accumulated areas position and scope.
In order to reduce the happening of water inrush accident in coal mine,the transient electromagnetic method is adopted to explore unknown goaf water situation.Transient electromagnetic was sensitived to low resistivity anomalies reflect,could determine goaf water accumulated areas according to change of apparent resistivity,improved the detection effect of goaf and water accumulated areas.Through reconnaissant survey and based on the analysis of the data to speculate the mining state in the early of each coal seam mining; According to the working principle of the transient electromagnetic method and the geophysical characteristics of goaf water determined the analysis method of test results,and then analyzed the voltage profile and apparent resistivity profile on the typical line of more tests and equal voltage planar gragh and equal visual resistance planar graph on the typical test,determined 2# and 6# coal seam goaf water accumulated areas position and scope.
引文
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[2]杨镜明,魏周政,高晓伟.高密度电阻率法和瞬变电磁法在煤田采空区勘查及注浆检测中的应用[J].地球物理学进展,2014,29(1):362-369.YANG Jingming,WEI Zhouzheng,GAO Xiaowei.High density resistivity method and transient electromagnetic method in coal mined-out area prospecting and the application of the grouting detection[J].Progress in Geophysics,2014,29(1):362-369.
[3]祁民,张宝林,梁光河,等.高分辨率预测地下复杂采空区的空间分布特征——高密度电法在山西阳泉某复杂采空区中的初步应用研究[J].地球物理学进展,2006,21(1):256-262.QI Min,ZHANG Baolin,LIANG Guanghe,et al.High resolution predict underground complex spatial distribution characteristics of the mined-out area,high density electrical method in the initial application research of a certain complex goaf Shanxi Yangquan[J].Progress in Geophysics,2006,21(1):256-262.
[4]张光保.高密度电法在复杂岩溶地区路基勘测中的应用[J].工程地球物理学报,2010,7(3):344-347.ZHANG Guangbao.High-density electrical method in the application of subgrade survey in complex karst region[J].Journal of Engineering Geophysics,2010,7(3):344-347.
[5]梁哲.高密度电法技术在煤矿井下应用的探索性研究[J].煤炭与化工,2016,39(1):41-43+47.LIANG Zhe.High density resistivity method and technology in the application of the coal mine exploratory research[J].Journal of Coal and Chemical Industry,2016,39(1):41-43+47.
[6]肖敏,陈昌彦,白朝旭,等.北京地区浅层采空区高密度电法探测应用分析[J].工程地球物理学报,2014(1):29-35.XIAO Min,CHEN Changyan,BAI Chaoxu,et al.In the Beijing area of shallow mined-out area high density resistivity method detection application analysis[J].Journal of Engineering Geophysics,2014(1):29-35.
[7]唐汉平.复杂地震地质条件下煤矿采空区三维地震勘探技术[J].中国煤炭,2013,39(12):35-37+87.TANG Hanping.Complex seismic geological conditions of coal mine goaf three-dimensional seismic exploration technology[J].Journal of China Coal,2013,39(12):35-37+87.
[8]王建文,孙秀容,王宏科,等.综合地震勘探方法在陕北煤田采空区探测中的应用[J].中国煤炭地质,2010,22(9):48-54.WANG Jianwen,SUN Xiurong,WANG Hongke,et al.Comprehensive seismic exploration method in the application in the detection of northern shaanxi coalfield mined-out area[J].Journal of China Coal Geology,2010,22(9):48-54.
[9]申有义,刘海平.地震属性方法在煤矿采空区解释上的应用[J].物探与化探,2012,36(1):65-69.SHEN Youyi,LIU Haiping.In coal mine goaf explain the application of seismic attribute method[J].Journal of Geophysical and Geochemical Exploration,2012,36(1):65-69.
[10]刘国辉,温来福,郝海强,等.地震勘探在山西某煤田采空区探测中的有效性研究[J].勘察科学技术,2014(1):58-61.LIU Guohui,WEN Laifu,HAO Haiqiang,et al.Seismic exploration in a certain coal field in shanxi in the goaf detection effectiveness research[J].Journal of Surveying Science and Technology,2014(1):58-61.
[11]叶红星.基于地震属性分析的红柳林煤矿采空区解释[J].煤田地质与勘探,2014,42(3):87-91.YE Hongxing.Mined-out area of coal mine based on the seismic attribute analysis of red grahame to explain[J].Journal of Coal Geology and Exploration,2014,42(3):87-91.
[12]赵文曙,王俊奇,牟义.矿井瞬变电磁法在探测顶板老空区中的应用[J].山西焦煤科技,2012,36(7):30-33+37.ZHAO Wenshu,WANG Junqi,MOU Yi.The mine transient electromagnetic method in detection of roof application[J].Journal of Old Mined-out Area of Shanxi Coking Coal Science and Technology,2012,36(7):30-33+37.
[13]姜志海,杨光.浅埋特厚煤层小窑采空区瞬变电磁探测技术研究及应用[J].采矿与安全工程学报,2014,31(5):769-774.JIANG Zhihai,YANG Guang.Shallow thick coal seam small kiln goaf transient electromagnetic detection technology research and application[J].Journal of Mining and Safety Engineering,2014,31(5):769-774.
[14]占文锋,王强,牛学超.采空区矿井瞬变电磁法探测技术[J].煤炭科学技术,2010,38(8):115-117.ZHAN Wenfeng,WANG Qiang,NIU Xuechao.Goaf of mine transient electromagnetic method to detect technology[J].Journal of Coal Science and Technology,2010,38(8):115-117.
[15]程建远,孙洪星,赵庆彪,等.老窑采空区的探测技术与实例研究[J].煤炭学报,2008(3):251-255.CHENG Jianyuan,SUN Hongxing,ZHAO Qingbiao,et al.Old kiln goaf detection technology and case study[J].Journal of Coal,2008(3):251-255.
[16]谢海军.煤矿积水采空区瞬变电磁法探测技术研究[D].中国地质大学(北京)博士学位论文,2009.XIE Haijun.Water of coal mine goaf transient electromagnetic method to detect technology research[D].Ph D Thesis of China University of Geosciences(Beijing),2009.
[17]牛之琏.脉冲瞬变电磁法及其应用[M].湖南长沙,中南工业大学出版社,2008.NIU Zhilian.Pulse transient electromagnetic method and its application[M].Changsha of Hunan Province,Central South University of Technology Press,2008.
[18]王宗林,牟铁超,陶永文,等.瞬变电磁法探水在新裕煤矿中的应用[J].中国地质灾害与防治学报,2014,25(2):76-82.WANG Zonglin,MOU Tiechao,TAO Yongwen,et al.Transient electromagnetic method in the water in new yulin coal mine of applications[J].The Chinese Journal of Geological Hazards and Control,2014,25(2):76-82.