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Journal Article

Citation

Li J, Zhang H, Han Y, Wang B. PLoS One 2016; 11(11): e0166472.

Affiliation

College of Mechanical and Transportation Engineering, China University of Petroleum, Beijing, China.

Copyright

(Copyright © 2016, Public Library of Science)

DOI

10.1371/journal.pone.0166472

PMID

27875545

Abstract

Focusing on the diversity, complexity and uncertainty of the third-party damage accident, the failure probability of third-party damage to urban gas pipeline was evaluated on the theory of analytic hierarchy process and fuzzy mathematics. The fault tree of third-party damage containing 56 basic events was built by hazard identification of third-party damage. The fuzzy evaluation of basic event probabilities were conducted by the expert judgment method and using membership function of fuzzy set. The determination of the weight of each expert and the modification of the evaluation opinions were accomplished using the improved analytic hierarchy process, and the failure possibility of the third-party to urban gas pipeline was calculated. Taking gas pipelines of a certain large provincial capital city as an example, the risk assessment structure of the method was proved to conform to the actual situation, which provides the basis for the safety risk prevention.


Language: en

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