New method for predicting stress intensity factors in cracked welded tubular joints

L.S. Etube, F.P. Brennan, W.D. Dover

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

A new approach for the prediction of stress intensity Y correction factors for welded tubular joints is proposed. This approach accounts for crack aspect ratio evolution during crack propagation. The method is based on a statistical model used to quantify and account for the deviation of experimental results from previous semi-empirical solutions and the modified Newman and Raju flat plate solution.

Original languageEnglish
Pages (from-to)447-456
Number of pages10
JournalInternational Journal of Fatigue
Volume22
Issue number6
DOIs
Publication statusPublished - 31 Jul 2000

Keywords

  • stress intensity factor
  • fatigue crack growth
  • fatigue crack propagation
  • tubular welded joints
  • Y factor correction
  • offshore structures

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