Application of 3D inversion of audio-frequency electric perspective in detection of water-containing/water-conductive collapse colum
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摘要: 为精确探查含/导水陷落柱，实现含/导水陷落柱的三维立体解释，基于含/导水陷落柱与围岩的电性差异，利用音频电穿透探查工作面底板岩层富水性，对音频电穿透观测数据进行三维反演成像，得到电阻率变化情况。结果表明，应用音频电穿透三维反演可准确识别含/导水陷落柱空间位置、展布范围等，为煤矿防治水工作提供可靠参考。Abstract: In order to accurately detect water-containing/water-conductive collapse column and realize 3D interpretation of water-containing/water-conductive collapse column, based on electrical properties difference between water-containing/water-conductive collapse column and surrounding rock, water-rich strata of rock-seam in working face floor are explored by use of audio-frequency electric perspective. 3D inversion imaging of audio-frequency electric perspective observation data is carried out to obtain resistivity variation. The results show that 3D inversion of audio-frequency electric perspective can accurately identify spatial position and distribution range of water-containing/water-conductive collapse column, which provides reliable reference for coal mine water prevention.
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期刊类型引用(8)
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