| 高密度电法在煤矿采空区勘查中的应用 |
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| 引用本文： | 辛思华,宋仁成,杨建军,刘伟.高密度电法在煤矿采空区勘查中的应用[J].中国煤炭地质,2008,20(1):59-61. |
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| 作者姓名： | 辛思华 宋仁成 杨建军 刘伟 |
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| 作者单位： | 东北煤田地质局物探测量队,辽宁沈阳110101 |
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| 摘 要： | 神东矿区某国有煤矿临近两个地方小矿,因无序开采,存在不明采空区。该区地表被新生界地层覆盖,为风沙堆积区。因该地属高原干旱地带,煤层采空区充水极少,呈高阻状态,为此采用高密度电法探测采空区赋存状态。方法是在与其相临两矿之间各布设2条高密度电法测线,经勘探与A矿、B矿相近的测线有明显的采空区存在,而与国有矿山相邻的测线相应位置无高阻异常,采空区消失。高密度电法在该区的应用有效地探明了煤层采空区赋存状态及范围,达到了预期勘查要求。
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| 关 键 词： | 采空区 视电阻率 高阻异常 高密度电法 神东矿区 |
| 文章编号： | 1674-1803（2008）01-0059-03 |
| 收稿时间： | 2007-05-28 |
| 修稿时间： | 2007年5月28日 |
Application of High Density Electric Surveying in Coalmine Gob Area Investigation |
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| Xin Sihua, Song Rencheng, Yang Jianjun and Liu Wei.Application of High Density Electric Surveying in Coalmine Gob Area Investigation[J].Coal Geology of China,2008,20(1):59-61. |
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| Authors: | Xin Sihua Song Rencheng Yang Jianjun and Liu Wei |
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| Institution: | (Geophysical Prospecting and Surveying Team, Northeast China Bureau of Coal Geological Exploration, Shenyang, Liaoning 110101) |
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| Abstract: | A state run coalmine in Shendong mining area is adjacent to two disordered mining local small mines result in uncertain gobs existed. The area is covered by Cenozoic strata and wind-drift sand located in a plateau drought zone. The gob area has very few water filling and shown its high resistance state, so that high density electric surveying is selected to investigate gob areas. The method is 2 high density electric surveying lines laid out between two neighboring mines, after surveying there are gob areas existed adjacent to A and B small mines, while no high resistance anomalies i.e. gob areas found adjacent to state run mines. The application of the method has identified gob area hosting state and extension, accord with anticipative requirement. |
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| Keywords: | gob area apparent resistivity high resistance anomaly high density electric surveying Shendong mining area |
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