Research situations and development tendencies of fault slip rockburst in coal mine
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(1.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Key Laboratory of High-Efficient Mining and Safety of Metal Mines (University of Science and Technology Beijing), Ministry of Education, Beijing 100083, China; 3. Beijing Key Laboratory of Urban Underground Space Engineering (University of Science and Technology Beijing), Beijing 100083, China)

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TD324

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    Abstract:

    To understand the disaster-causing mechanism of fault slip rockburst and reduce incidence of rockburst during mining process, the research progress and achievements of the rockburst are summarized and analyzed by combing literatures at home and abroad. Firstly, severe situations and some cases of the rockburst are presented and analyzed. Secondly, the disaster-causing mechanism of the rockburst is analyzed from the mechanism and criteria of fault reactivation, fault slip rockburst theories, produced conditions and generation process of the rockburst. Thirdly, the monitoring and early warning methods of the rockburst are summarized, and the monitoring and controlling technology system of the rockburst, BMS-Ⅱ type microseismic monitoring system, multi-parameter monitoring and early warning system, and deep borehole strain observation technology are presented. Fourthly, the preventing and controlling technologies for the rockburst are summarized, including regional defense measures and local relief measures. Finally, some shortcomings of the current research on the rockburst are pointed out, and the development tendencies of future research on the rockburst are prospected in many aspects.

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History
  • Received:December 12,2017
  • Revised:
  • Adopted:
  • Online: June 14,2018
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