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Application of Fuzzy Mathematics Theory in Determination of Acceptable Failure Probability

[+] Author Affiliations
Guang-Li Zhang, Xin-Wei Zhao, Jin-Heng Luo, Hua Zhang, He-Lin Li

China National Petroleum Corporation, Xi’an, China

Paper No. PVP2007-26819, pp. 349-356; 8 pages
  • ASME 2007 Pressure Vessels and Piping Conference
  • Volume 7: Operations, Applications and Components
  • San Antonio, Texas, USA, July 22–26, 2007
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4285-1 | eISBN: 0-7918-3804-8
  • Copyright © 2007 by ASME


The acceptable failure probability of different gas pipeline should differ as a result of their severity degree of pipeline failure consequence. In this paper, several influencing factors to the pipeline acceptable probability were analyzed and a method for the determination of the severity degree of gas pipeline failure consequence is proposed. According to the fuzzy mathematics theory, the method of calculating the corresponding acceptable failure probability of a certain gas pipeline on the basis of severity degree of its failure consequence is established.

Copyright © 2007 by ASME
Topics: Failure , Probability



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