The deformation mechanics of interlock tubes

Z. Chen, R. L. Reuben, D. G. Owen

Research output: Contribution to journalArticle

Abstract

Interlock tubes are one of the key structural layers of most flexible pipes of composite construction for offshore oil and gas transmission and water injection applications. The design and manufacture of such a tube based on a good understanding of its deformation mechanics are undoubtedly of significance to the integrity and safety of flexible pipes and pipe systems. This paper describes a semi‐empirical model for the evaluation of the deformations in the critical sections of the interlock tube as it responds to the overall pipe loading and configuration. Results of a finite element analysis and radiographic tests are incorporated to verify and supplement the model.

Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalStrain
Volume28
Issue number3
DOIs
Publication statusPublished - Aug 1992

Keywords

  • flexible pipes
  • flexible risers
  • integrity
  • Interlocking tubes
  • stainless steel

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering

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