矿井超前精细探测技术方法与应用
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摘要
为了预测煤矿掘进工作面的水害,采用矿井瞬变电磁法、矿井直流电法、矿井瑞利波法、矿井反射波法4种井下超前探测技术。通过井下数据采集、处理和反演计算,形成可视化图件,来解释矿井含水体及构造的范围和位置特征,建立了一套适合煤矿掘进过程中井下物探动态监测水害的技术方法。结果表明:矿井瞬变电磁法可探测掘进工作面正前方、前方顶板、前方底板和前方侧帮含水体;矿井直流电法可探测掘进工作面正前方含水体;矿井瑞利波法(或矿井反射波法)可以探测前方构造及采空区边界。
Mine transient electromagnetic method,mine direct current method,mine rayleigh wave method,mine reflected wave method four kinds of mine advanced detection technology are adopted to forecast water disaster in coal mine heading face.By the mine data acquisition,processing and inverse calculation,visualization graph is formed,and use it explain range and location characteristic of the mine water-logged stratum and structural,so as to build built a set technology method for mine geophysical dynamic monitoring water disaster in coal mine tunneling process.Result indicates that mine transient electromagnetic method may detect heading face water-contained of positive front,front roof,front floor and front sidewall;mine direct current method may detect heading face water-contained of positive front;mine rayleigh wave method(or mine reflected wave method) may detect front structure and goaf boundaries.
Mine transient electromagnetic method,mine direct current method,mine rayleigh wave method,mine reflected wave method four kinds of mine advanced detection technology are adopted to forecast water disaster in coal mine heading face.By the mine data acquisition,processing and inverse calculation,visualization graph is formed,and use it explain range and location characteristic of the mine water-logged stratum and structural,so as to build built a set technology method for mine geophysical dynamic monitoring water disaster in coal mine tunneling process.Result indicates that mine transient electromagnetic method may detect heading face water-contained of positive front,front roof,front floor and front sidewall;mine direct current method may detect heading face water-contained of positive front;mine rayleigh wave method(or mine reflected wave method) may detect front structure and goaf boundaries.
引文
[1]煤炭科学研究总院西安研究院,陕西省地球物理学会.深部矿井灾害源探测实践[M].北京:煤炭工业出版社,2008.
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[2]杨新奇.地球物理勘探法(电测探法)应用[J].南水北调与科技,2002,23(94):42-43.
[3]李世峰,金瞰昆,周俊杰.资源与工程地球物理勘探讨[M].北京:化学工业出版社,2008:198.
[4]李金铭.地电场与电法勘探[M].北京:地质出版社,2005.
[5]王有杰.YTR(D)瑞利波探测仪使用说明书[D].西安:煤炭科学研究总院西安分院,2006.
[6]高建伟,李林辉.电超前探测法在矿井防治水中的应用[J].中州煤炭,2006(2):44-72.
[7]宁书年.巷道超前探测的理论探讨与应用尝试[J].地下水,2002,24(1).
[8]谭金龙,陈耀蝉,刘基.瞬态瑞利波技术在隧道超前预报中的应用[J].工程地球物理学报,2004,1(1).
[9]张昌达.空时间域电磁法测量系统:回顾与前瞻[J].工程地球物理学报,2006(4):65-273.
[10]刘树才,岳建华,刘志新.煤矿水文物探技术与应用[M].徐州:中国矿业大学出版社,2006:3-5.
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