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基于WBS-RBS与故障树耦合的尾矿库风险评估 被引量:3

Risk Assessment of Tailings Reservoir Based on the Coupling of WBS-RBS and Fault Tree
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摘要 针对尾矿库事故产生的复杂性、多样性及不确定性等特点,在众多尾矿库事故调查的基础上,分析得到主要危险源为塔管隧结构破坏,建立WBS-RBS与故障树耦合的风险评估方法。进一步将危险源引入到WBS-RBS结构中,构造工作分解结构(WBS)、风险分解结构(RBS)及二者耦合矩阵,综合分析各项事故风险因素。采用故障树分析法对塔管隧结构破坏事故进行敏感性分析,计算敏感系数和风险因素重要度排序,有针对性的提出风险应对建议与举措。 In view of the complexity,diversity and uncertainty of tailings reservoir accidents,this paper establishes a risk assessment method based on the coupling of WBS-RBS and fault tree.Based on the investigation of tailings reservoir accidents,the main hazard sources are analyzed and introduced into the WBS-RBS structure.Work breakdown structure(WBS),risk sub-structure(RBS)and their coupling moments are constructed to conduct comprehensive analysis of various accident risk factors.Fault tree analysis method is used to analyze the sensitivity of statistical tower-tube-tunnel mechanism damage accidents,calculate the sensitivity coefficient and risk factor importance ranking,and some risk response suggestions are put forward.
作者 赵瑞家 于云鹤 王越 郝宇 ZHAO Ruijia;YU Yunhe;WANG Yue;HAO Yu(School of Civil Engineering, North China University of Technology Beijing 100144)
出处 《工业安全与环保》 2021年第6期1-4,共4页 Industrial Safety and Environmental Protection
基金 国家自然科学基金(41202214) 北京市科技新星计划项目(Z121106002512008)。
关键词 尾矿库 故障树 WBS-RBS 敏感性分析 风险评估 ailings reservoir fault tree WBS-RBS sensitivity analysis risk assessment
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