Risk Assessment for Urban Gas Transmission and Distribution System Using Fuzzy Comprehensive Evaluation Method
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 9, Issue 1
Abstract
Urban gas transmission and distribution system mainly consists of three subsystems: storage station, gas network, and users. The subsystem fault trees are established on the basis of the investigations of the subsystem faults and accidents. The probabilities of basic events of each subsystem fault tree are determined by combining expert judgment with fuzzy set theory, whereas the failure probabilities of top events and the importance analysis of basic events are evaluated by quantitative analysis. A fuzzy comprehensive evaluation approach is proposed for the risk assessment of urban gas transmission and distribution system, and is illustrated with a case study.
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 9 • Issue 1 • February 2018
Copyright
©2017 American Society of Civil Engineers.
History
Received: Oct 7, 2016
Accepted: Aug 18, 2017
Published online: Dec 15, 2017
Published in print: Feb 1, 2018
Discussion open until: May 15, 2018
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