广域电磁法和拟流场法精细探测技术——以井工一矿水害探测为例

2018年第4卷第5期

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《工程（英文）》 >> 2018年第4卷第5期 doi: 10.1016/j.eng.2018.09.006

广域电磁法和拟流场法精细探测技术——以井工一矿水害探测为例

^a Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring of Ministry of Education, Central South University, Changsha 410083, China
^b Key Laboratory of Non-Ferrous Resources and Geological Hazard Detection, Central South University, Changsha 410083, China
^c School of Geosciences and Info-Physics, Central South University, Changsha 410083, China

收稿日期： 2017-07-31 修回日期： 2018-01-28 录用日期： 2018-09-07 发布日期： 2018-09-18

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摘要

井工一矿存在严重的老空区和水害。以往的单一勘探方法，如地震法、直流电法、音频大地电磁法、可控源音频大地电磁法、瞬变电磁法等，均未能探明老采空区范围和水害赋存情况。为了解决这个难题，联合采用广域电磁法和井- 地拟流场法的三位一体立体式探测技术，并利用三维反演电阻率资料精准获取富水区域和采空区的位置，确定了不同层位水的连通性，为井工一矿的安全生产提供了可靠的技术保障。结果合理、成效显著，释放了近4 km² 的可采面积。

关键词

广域电磁法 ; 拟流场法 ; 采空区 ; 富水性 ; 精细探测

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参考文献

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