Mechanism, prevention, and control of mining-induced dynamic disasters in underground metal mines in China: Challenges and solutions

Abstract

Metal mineral resources play an indispensable role in the development of the national economy. Dynamic disasters in underground metal mines seriously threaten mining safety, which are major scientific and technological problems to be solved urgently. In this article, the occurrence status and grand challenges of some typical dynamic disasters involving roof falling, spalling, collapse, large deformation, rockburst, surface subsidence, and water inrush in metal mines in China are systematically presented, the characteristics of mining-induced dynamic disasters are analyzed, the examples of dynamic disasters occurring in some metal mines in China are summarized, the occurrence mechanism, monitoring and early warning methods, and prevention and control techniques of these disasters are highlighted, and some new opinions, suggestions, and solutions are proposed simultaneously. Moreover, some shortcomings in current disaster research are pointed out, and the direction of efforts to improve the prevention and control level of dynamic disasters in China’s metal mines in the future is prospected. The integration of forward-looking key innovative theories and technologies in the abovementioned aspects will greatly enhance the cognitive level of disaster prevention and mitigation in China’s metal mining industry and achieve a significant shift from passive disaster relief to active disaster prevention.

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