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LI Bao-fu, WEI Xiang-zhi, SU Shi-jie, REN Yong-kang. Application of Microseismic Monitoring Technology in Forecasting of Roof Weighting[J]. Journal of Mine Automation, 2010, 36(11): 16-19.
Citation: LI Bao-fu, WEI Xiang-zhi, SU Shi-jie, REN Yong-kang. Application of Microseismic Monitoring Technology in Forecasting of Roof Weighting[J]. Journal of Mine Automation, 2010, 36(11): 16-19.
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Application of Microseismic Monitoring Technology in Forecasting of Roof Weighting

  • 1.

    School of Energy Science and Engineering of Henan Polytechnic University, Jiaozuo 454003, China.2.Qianqiu Coal Mine of Yima Coal Group Co., Ltd., Yima 472300, China

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  • The paper introduced application of microseismic monitoring system in forecasting roof weighting of Qianqiu Coal Mine. The practical result showed that the microseismic monitoring system can forecast and judge the first weighting of main roof of fully mechanized caving face; data of microseismic monitoring is consistent with data of drill cuttings quantity and rock pressure monitoring, and using comprehensive forecasting technology of rock burst can forecast stope dynamic disasters more effectively; taking frequency of large energy events as effective parameter of microseismic monitoring system can exactly forecast stope dynamic phenomenon and summarize precursor information model of main roof weighting, and the conclusion can effectively prevent stope dynamic phenomena and rock burst accidents.
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