Safety risk assessment of open-pit mines based on quantitative theory

doi:10.16265/j.cnki.issn 1003-3033.2021.S1.016

Abstract

Abstract: In order to improve safety management of open-pit coal mines, with Heishan mine as an example, comprehensive evaluation indicators were developed with 17 sub projects and 52 sub categories from four aspects of personnel factors and management system, slope management and prevention, stope safety management and transportation safety management. Then, index weighting was optimized by adopting quantitative theory, and safety risk assessment of the mine was carried out by using comprehensive index method. The results show that risk status of open-pit mines is influenced by a combination of multiple indicators. In general, the higher the hazard index is, the higher risk level it will have. And there is room for further improvement in its management system in terms of personnel turnover and technical measures for safe operation. Meanwhile, indicators such as specification of blasting operations, prevention and control measures, and traffic conditions are sensitive, and should be taken as focus in management during subsequent production.

Key words: open-pit mines, quantitative theory, safety risk evaluation, comprehensive index method, safety management

CLC Number:

X936

YIN Yixiong. Safety risk assessment of open-pit mines based on quantitative theory[J]. China Safety Science Journal, 2021, 31(S1): 86-91.

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