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| Pattern,change and new situation of coal mine rockburst prevention #br# and control in China |
| PAN Yishan1,SONG Yimin2,LIU Jun1 |
(1. Institute of Disaster Rock Mechanics,Liaoning University,Shenyang,Liaoning 110036,China;
2. School of Civil Engineering,North China University of Technology,Beijing 100144,China) |
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Abstract Based on the basic situation of rockburst prevention and control in China?s coal mines,the systematic research work and research results of rockburst for many years are combed and summarized. Then from the perspective of science,technology and management,the current situation,existing problems and development direction of rockburst prevention and control in China?s coal mines are analyzed and elaborated,hoping to play a role in promoting the improvement of rockburst prevention and control in coal mines in China. Among them,the analysis of the current situation of rockburst prevention and control includes rockburst occurrence mechanism and theory,rockburst risk evaluation and prediction,rockburst risk monitoring and early warning,rockburst prevention and control methods and technologies,rockburst laws and regulations and management system,and rockburst prevention and control effect. Besides,the existing problems including situation and standards of rockburst prevention and control,compound disasters,mine sesmic situation,mining roadway support,rockburst early warning,and rockburst monitoring technology are presented. Finally,the development directions are pointed out including strengthening basic research,reasonably determining the safety factor of rockburst design,developing the intelligence of rockburst prediction and control,implementing the integrated prevention and control of mine sesmic and rockburst disasters,perfecting the self-liberation mining technology of this coal seam,promoting the energy-absorbing hydraulic support technology of the whole roadway,and scientifically identifying rockburst mines.
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