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| The application of radio wave perspective technology in the detection of concealed geological structure in working face |
| Wang Zheng1, Yi Hongchun2 |
| 1. New No.3 Mine, Jizhong Energy Fengfeng Group Co., Ltd., Handan 056201, China 2. Chongqing Research Institute Co., Ltd., China Coal Technology and Engineering Group, Chongqing 400037, China |
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Abstract This paper introduced the basic theory of electromagnetic wave and the basic principle of tomographic imaging, established a geophysical model with fault and collapse column structure, simulated the electromagnetic wave response curve of fault and collapse column structure in working face, analyzed the curve law, and successfully inverted the physical model based on SIRT algorithm. Combined with the actual detection data of Yangdong Mine, the concealed geological structure in the working face was successfully predicted. Both physical simulation and actual detection results showed that radio wave perspective technology was very effective in detecting underground concealed geological structures.
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