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Risk management for mine closure: A cloud model and hybrid semi-quantitative decision method
International Journal of Minerals, Metallurgy and Materials ( IF 4.8 ) Pub Date : 2020-08-15 , DOI: 10.1007/s12613-020-2002-7
Chao-qun Cui , Bing Wang , Yi-xin Zhao , Yong-Jin Zhang , Li-ming Xue

Mine closure is associated with many negative impacts on society and the environment. If these effects are not rationally addressed, they would pose risks of mine closure. Thus, a risk management method is needed to mitigate these adverse impacts and address mine-closure issues. An integral framework for mine-closure risk management that includes risk assessment and risk treatment was proposed. Given the fuzziness and randomness of the transformation between qualitative and quantitative knowledge in the risk assessment process, a novel risk assessment method based on the cloud model was presented, which fully considers the uncertainty in risks themselves and in the reasoning process. Closed mine reutilization is an effective risk treatment option in response to the identified high risks, but it requires selecting optimal reutilization strategies for the successful implementation of the reuse plan. To this end, a hybrid semi-quantitative decision method is proposed to optimize decision-making. The results of a case study showed that this risk management methodology can help budget planning for risk treatment and provide an instructional framework to effectively reduce the negative effects of closed mines.



中文翻译:

矿山关闭的风险管理:云模型和混合半定量决策方法

矿山关闭对社会和环境造成许多负面影响。如果不能合理地解决这些影响,则将构成关闭煤矿的风险。因此,需要一种风险管理方法来减轻这些不利影响并解决矿山关闭问题。提出了包括风险评估和风险处理在内的封闭矿山风险管理的整体框架。鉴于风险评估过程中定性和定量知识转换的模糊性和随机性,提出了一种新的基于云模型的风险评估方法,该方法充分考虑了风险本身和推理过程中的不确定性。封闭的矿山再利用是针对已发现的高风险的有效风险处理方案,但它需要选择最佳的重用策略才能成功实施重用计划。为此,提出了一种混合半定量决策方法来优化决策。案例研究的结果表明,这种风险管理方法可以帮助风险管理的预算计划,并提供指导框架,以有效减少封闭矿山的负面影响。

更新日期:2020-08-15
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