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Hydraulic Engineering Safety Risk Assessment Based on Expert Credibility and LEC-FCE Method
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Fei-fei TAOa, Yan-ling PIa, Yong JIANGb
Water Resources and Power | 2023, 41(10) : 171 - 175
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Water Resources and Power | 2023, 41(10): 171-175
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Hydraulic Engineering Safety Risk Assessment Based on Expert Credibility and LEC-FCE Method
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Fei-fei TAOa, Yan-ling PIa, Yong JIANGb
Affiliations
  • a.College of Computer and Information, Hohai University, Nanjing 210098, China
  • b.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
Published: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20222534
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In view of the complex and changeable construction site and high difficulty in construction of water conservancy safety, the risk assessment of all hazard sources is the premise of safety control of a project. The traditional LEC method has the defects of large influence of subjective factors and unclear weight of each hazard source. Based on the introduction of expert credibility, the background differences between risk evaluation subjects were converted to quantitative analysis, and the subjective impairments was modified. This paper combined fuzzy comprehensive evaluation method with traditional LEC method to establish the risk evaluation index system. By calculating every index weight factor with the modified risk values in LEC method, the risk assessment was converted from qualitative to quantitative by membership degree matrix and the defection of imprecise weight factor in LEC method was solved. Finally, a verification of Xinmeng River shows that the objectivity of risk assessment of hazard sources has been improved significantly through the modified method, which provides scientific basis for the risk hierarchical control of water conservancy safety.

hydraulic engineering  /  safety risk assessment  /  LEC method  /  FCE method  /  expert credibility
Fei-fei TAO, Yan-ling PI, Yong JIANG. Hydraulic Engineering Safety Risk Assessment Based on Expert Credibility and LEC-FCE Method[J]. Water Resources and Power, 2023 , 41 (10) : 171 -175 . DOI: 10.20040/j.cnki.1000-7709.2023.20222534
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Year 2023 volume 41 Issue 10
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20222534
  • Receive Date：2022-12-05
  • Online Date：2026-01-28
  • Published：2023-10-25
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  • Received：2022-12-05
  • Revised：2023-01-05
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Affiliations
    a.College of Computer and Information, Hohai University, Nanjing 210098, China
    b.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
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