The fuzzy hierarchy comprehensive evaluation method is used to carry out safety assessment of Zhu Mao ditch tailings. The fuzzy hierarchy comprehensive evaluation method is used to analyze the factor weight the tailings. Then, the weight and primary level membership are calculated. Finally, the maximum membership principle is used to determine the tailings safe level to get the weight of each unit in the tailings. Enterprises should ensure the strengthening of reliability of tailings drainage system and dam stability and pay attention to the observation facilities and maintain safety management system. At the same time, it is obtained that the tailing is normal, which meets the requirements of safety production.%运用模糊层次综合评价法对竹毛沟尾矿库进行安全评价。首先采用层次分析法确定尾矿库各因素权重，接着对权重与初级层次隶属度集进行计算，最后采用最大隶属原则确定尾矿库安全等级。得到尾矿库各单元的权重，企业应重点保障加强尾矿库排洪及坝体稳定系统的可靠性，并重视观测设施及安全管理维护系统；同时得出结论———尾矿库属于正常库，符合安全生产要求。
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