The operating environment of polyethylene (PE) gas pipeline is complex and changeable. In the process of pipeline design, construction and operation, there are many fuzzy factors inducing pipeline accidents. In the paper, the fuzzy factors causing pipeline accidents were studied and analyzed, and the risk evaluation factors of PE gas pipeline were determined. According to the theory of fuzzy comprehensive evaluation, the mathematical model of fuzzy comprehensive evaluation for PE pipeline was established. In order to pursue as much accurate results of assessment as possible, the fuzzy analytic hierarchy process was used to determine the weight of each index. The safety evaluation grade of the pipeline was given by using the risk matrix method. And then the evaluation system software of PE gas pipeline risk assessment was developed. The software has been used in the risk inspection of PE gas pipeline, which provides the basis for the risk management of the pipeline.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5159-3
PROCEEDINGS PAPER
Study on the Risk Based Inspection and Evaluation System for Polyethylene Gas Pipeline
Zhangwei Ling,
Zhangwei Ling
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
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Junfang Xia,
Junfang Xia
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
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Gangyi Cai,
Gangyi Cai
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
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Ping Tang,
Ping Tang
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
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Chang Chen,
Chang Chen
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
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Weican Guo
Weican Guo
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Search for other works by this author on:
Zhangwei Ling
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Junfang Xia
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Gangyi Cai
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Ping Tang
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Chang Chen
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Weican Guo
Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou, China
Paper No:
PVP2018-84507, V01BT01A038; 6 pages
Published Online:
October 26, 2018
Citation
Ling, Z, Xia, J, Cai, G, Tang, P, Chen, C, & Guo, W. "Study on the Risk Based Inspection and Evaluation System for Polyethylene Gas Pipeline." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 1B: Codes and Standards. Prague, Czech Republic. July 15–20, 2018. V01BT01A038. ASME. https://doi.org/10.1115/PVP2018-84507
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