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机构地区:[1]四川省燃气集团有限公司,四川 广元 [2]西南石油大学土木工程与测绘学院,四川 成都
出 处:《石油天然气学报》2024年第4期486-496,共11页Journal of Oil and Gas Technology
摘 要:为有效提高城镇燃气管网抗震性能与安全运行能力,本文对国内油气管道风险规范进行对标分析,并建立城镇燃气管道震害失效指标体系,确立指标体系中一级指标为地震危害性和管道易损性;对地震下城镇燃气管道、给水管道的失效事件进行分析整理,得出城镇燃气管道失效中间事件和基本事件,最终得到城镇燃气管道震害失效事故树。建立城镇燃气管道震害失效事故树,对提高城镇燃气管道在地震下安全运行,减少管道事故损失具有重要的意义。To effectively improve the seismic resistance and safety operation capacity of urban gas pipelines, this paper conducts benchmarking analysis of domestic oil and gas pipeline risk standards and establishes a failure index system for urban gas pipelines under earthquakes. The primary index of the index system is earthquake hazard and pipeline vulnerability. The intermediate and basic failure events of urban gas pipelines and water pipelines under earthquakes are analyzed and sorted, and the failure accident tree of urban gas pipelines under earthquakes is obtained. The establishment of the failure accident tree for urban gas pipelines under earthquakes is of great significance for improving the safety operation of urban gas pipelines in earthquakes and reducing pipeline accident losses.
关 键 词:城镇燃气管道 对标分析 事故树 管道失效 地震震害
分 类 号:P31[天文地球—固体地球物理学]
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