4/6/2025, 7:37:06 PM 星期日
High-precision transient electromagnetic method detection of mining voids and karst aquifers in the Qingping phosphate mine area
Author:
Affiliation:

1.Deyang Haohua Qingping Linkuang Co., Ltd., DeyangSichuan618299, China;2.Geological Institute of China Chemical Geology and Mine Bureau, Beijing100101, China;3.Technology Innovation Center for Ecological Restoration Engineering in Mining Areas of the Ministry of Natural Resources, Beijing100083, China;4.State Key Laboratory of Safety Technology for Metal Mines, ChangshaHunan410012, China;5.Changsha Institute of Mining Research Co., Ltd., ChangshaHunan410012, China;6.Hunan Mining Geological Disaster Prevention and Environmental Reconstruction Engineering Technology Research Center, ChangshaHunan410012, China;7.Xi’an Research Institute Co., Ltd., China Coal Technology & Engineering Group, Xi’anShaanxi710077, China;8.Key Laboratory of Coal Mine Water Hazard Prevention and Control Technology in Shaanxi Province,Xi’anShaanxi710077, China;9.Sichuan Coal Mine Safety Supervision Bureau Safety Technology Center, ChengduSichuan610046, China;10.Sichuan Zhuchuang Safety Technology Co., Ltd., ChengduSichuan610046, China;11.Sichuan Institute of Chemical Geological Exploration, ChengduSichuan611930, China

Clc Number:

P631.3

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    Abstract:

    The Transient Electromagnetic Method (TEM), as an efficient geophysical exploration technique, has been widely applied in geotechnical surveys. For the voids formed during the deep mining of phosphorus ores, their unique geoelectrical properties provide ideal conditions for the application of TEM. The TEM technology is used to precisely locate the position and shape of the voids and to assess their association with water-rich fractured zones. Integrated with geological data, an in-depth comprehensive analysis has been conducted on the distribution range, water accumulation, and other conditions of the voids and karst water-rich areas. This provides a scientific reference for the survey of concealed disaster factors in phosphorus ore voids, and offers new technical means and theoretical support for the geological feature assessment and hazard identification of phosphorus ore voids, thereby providing a scientific foundation for the safe operation of related engineering projects.

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History
  • Received:June 16,2024
  • Revised:July 03,2024
  • Adopted:July 04,2024
  • Online: November 08,2024
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