Construction and Evaluation of Generalized Safety Management Model for Underground Metal Mines
Received date: 2019-06-05
Revised date: 2019-08-30
Online published: 2019-12-24
With the development of safety science,the scope of safety science research is not limited to accident prevention and risk control.The goal of safety management has gradually changed to the pursuit of coordinated operation of the whole system and the protection of people’s physical and mental well-being.And there are still frequent mine accidents and serious safety situation in China.In order to make the safety management of underground metal mines not only limited to accident prevention and hidden danger control,but also to make safety management better protect workers’ health and coordinate the operation of production system,combining with the generalized safety model,a safety management model of an underground metal mine was constructed,and the meanings and correlations of all levels of systems and elements in the model were described.In order to realize the information communication of all levels of systems in the generalized safety model,a method considering the fuzziness and uncertainty of evaluation data was proposed by using cloud model,AHP method and CRITIC method.It can also adjust the weight of each part by itself.Using cloud model to unify expert opinions and consider the fuzziness and uncertainty of evaluation data,AHP method to consider the subjective weight,CRITIC method to measure the objective weight and modify the subjective weight.The production system of an underground metal mine was divided into 12 microsystems,such as man-lifting system,etc.The weight of each microsystem was obtained after modification,and the safety assessment grade clouds of the mine and the microsystems were made.The results of evaluation examples show that the mine is in a safe state and the safety situation is stable,but it is necessary to make decision and deal with these problems,such as the low mean value of safety evaluation score of M2,M7 and M8 microsystems,the great fluctuation of safety score of M9 microsystems,and the low mean value and great fluctuation of safety score of M10 and M11 microsystems.Moreover,the weights of M2,M9,M10 and M12 microsystems after modification are relatively high,so we should pay attention to their safety management.The generalized safety model is no longer confined to accident prevention and risk control,aiming at ensuring the coordinated and efficient operation of the crowd and the machine group.It can better monitor the safety situation of the mine,protect the health of the workers and make the whole production system of the mine operate safely and efficiently.The evaluation method proposed in this paper is helpful to obtain the safety information of each system in the generalized safety model,and to obtain the evaluation results reflecting the fluctuation of mine safety situation considering the subjective and objective weights.
Zhuan DAI , Zhouquan LUO , Yaguang QIN , Lei WEN , Chunsheng DING , Zhezhe DONG . Construction and Evaluation of Generalized Safety Management Model for Underground Metal Mines[J]. Gold Science and Technology, 2019 , 27(6) : 920 -930 . DOI: 10.11872/j.issn.1005-2518.2019.06.920
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