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Probabilistic analysis framework for the deterioration of marine tubular steel structures based on random field simulation

Author

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  • Ye, Xinyi
  • Zhao, Jiajun
  • Fu, Huifang

Abstract

Corrosion reduces the effective cross-section, leading to the bearing capacity loss of marine tubular steel structures; the structures’ time-variant performance are of great concern in practices. The paper employs random field simulation to account for corrosion's spatial variability in evaluating the bearing capacity of the axially-loaded steel tubes, and proposes a time-variant reliability analysis framework for marine tubular steel structures, from the member-level to the structure-level. Results are compared with those neglecting the corrosion's spatial variability. The proposed method prevents a significant underestimation of the failure probability comparing to that neglecting spatial variability, and provides a tool for designers to predict the time-variant reliability levels for marine steel structures.

Suggested Citation

  • Ye, Xinyi & Zhao, Jiajun & Fu, Huifang, 2025. "Probabilistic analysis framework for the deterioration of marine tubular steel structures based on random field simulation," Reliability Engineering and System Safety, Elsevier, vol. 256(C).
    • Handle: RePEc:eee:reensy:v:256:y:2025:i:c:s0951832024007890
    DOI: 10.1016/j.ress.2024.110718
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