Fuzzy comprehensive evaluation of coal mine safety investment structure based on the M(1,2,3) model

Insufficient investment in safety and irrational of security investment structure is one of the causes of accidents are occurring in the coal industry. This article takes fuzzy comprehensive evaluation on the rationality of the mine safety investment structure by M (1,2,3) model on the basis of the analysis of the correlation between coal mine safety input and safety production status. The evaluation results show that personnel training and investment in safety technology is the key of accident prevention, management investment is the main factor of affecting the rationality of coal mine safety investment structure; the fuzzy comprehensive evaluation based on M(1,2,3) model can improve the precision of fuzzy comprehensive evaluation.