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

Xinyi Ye, Jiajun Zhao and Huifang Fu

Reliability Engineering and System Safety, 2025, vol. 256, issue C

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.

Keywords: Probabilistic analysis; Steel corrosion; Spatial variability; Random field simulation; Marine environment (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:256:y:2025:i:c:s0951832024007890

DOI: 10.1016/j.ress.2024.110718

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