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The Fault Tree Analysis of Third Party Damage to Gas Pipelines in Sichuan-Chongqing Region

Cao Bin,Liao Kexi,Wu Xia  
Third party damage is one of major factors leading to the gas pipeline failure,which directly affects the reliability of gas pipelines and shortens the service life of them.In this paper,the systematic analysis is carried out about different factors that cause the third party damage to gas pipelines in Sichuan-Chongqing region.Then,the fault tree of third party damage to gas pipelines has been built up according to the top event that third party damage results in the failure of gas pipelines.Next,the minimum cut of every stage of fault tree and main factors causing third party damage to gas pipeline in Sichuan-Chongqing region have been concluded based on the analysis of fault tree about third party damage to gas pipelines.Finally,some measures are presented so as to prevent third party damage to gas pipelines.
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