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August 5, 2026Journal of structural design and construction practice.

Fatigue Analysis of Member Joints in a Jacket Platform under Wave Stochasticity

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Authors

CSChinnu SabuPNPraveen NagarajanRDRobin Davis

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Overview

Randomized trial evaluates fatigue life in offshore jacket structures, suggesting critical joint design improvements.

Key Points

  • This study aims to assess the fatigue life of member joints in a jacket structure under extreme wave loading.
  • Numerical investigation of stress concentration factors in tubular joints using finite-element analysis.
  • Analysis of a jacket structure located in Mumbai High Field with a focus on joints experiencing high stress concentration.
  • Benchmarking numerically obtained SCF results against empirical parametric equations.
  • All jacket joints provide fatigue lives exceeding the required service years.
  • Identification and evaluation of primary tubular-to-tubular joints for fatigue damage are presented.
  • Discrepancies in SCF predictions highlight variability in empirical formulations impacting fatigue life assessments.

Cite This Study

Sabu et al. (2026) studied this question.

synapsesocial.com/papers/6a73072a226790f370658605https://doi.org/10.1061/jsdccc.sceng-2055
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