Research Article

Risk Analysis on Leakage Failure of Natural Gas Pipelines by Fuzzy Bayesian Network with a Bow-Tie Model

Table 2

Description of the basic events.

No.Description

Risk of interference from the third party due to parties ignore signage
Risk of interference from the third party due to implicit signage
Risk of interference from the third party due to sabotage
Risk of interference from the third party due to overload
Risk of natural disaster due to earthquake
Risk of natural disaster due to flood
Risk of natural disaster due to subsidence
Risk of material defect due to design defect of material
Risk of material defect due to construction defect of material
Risk of weld-seam defect due to design defect of weld-seam
Risk of weld-seam defect due to construction defect of weld-seam
Risk of auxiliaries due to design defect of auxiliaries
Risk of auxiliaries due to construction defect of auxiliaries
Risk of external corrosion due to failure of CP
Risk of external corrosion due to failure of coating
Risk of external corrosion due to failure of soil corrosion
Risk of internal corrosion due to water medium
Risk of internal corrosion due to aid medium
Risk of internal corrosion due to failure of inhibitor
Risk of internal corrosion due to failure of coating
Risk of internal corrosion due to debonding