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音频电穿透三维反演在含/导水陷落柱探查中的应用
Application of 3D inversion of audio-frequency electric perspective in detection of water-containing/water-conductive collapse column
【索引】王程,鲁晶津.音频电穿透三维反演在含/导水陷落柱探查中的应用[J].工矿自动化,2019,45(8):105-108.
【Reference】WANG Cheng, LU Jingjin.Application of 3D inversion of audio-frequency electric perspective in detection of water-containing/water-conductive collapse column[J].Industry and Mine Automation,2019,45(8):105-108.
【DOI】10.13272/j.issn.1671-251x.2019010028
【作者】王程,鲁晶津
【Author】 WANG Cheng,LU Jingjin
【作者机构】中煤科工集团西安研究院有限公司, 陕西 西安710077
【Unit】CCTEG Xi'an Research Institute, Xi'an 710077, China
【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.
【关键词】 煤矿水害; 含/导水陷落柱; 音频电穿透; 三维反演; 电阻率
【Keywords】coal mine water disaster; water-containing/water-conductive collapse column; audio-frequency electric perspective; 3D inversion; resistivity
【文献出处】工矿自动化,2019年8期
【基金】国家重点研发计划资助项目(2017YFC0804103)
【分类号】TD745
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