Failure mechanisms of weld-beaded grouted pile/sleeve connections

W. Aritenang, A. S. Elnashai, P. J. Dowling, B. C. Carroll

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

This paper describes in detail the observations from a series of push-out tests on grouted pile/sleeve connections with weld-beads. As opposed to previous tests aimed at quantifying overall connection strength, the current series was aimed at identifying the load-transfer and failure mechanisms involved. Another aim was to obtain local stress-slip relationships for use in nonlinear modelling of the connections. The results indicate that certain failure modes used to derive strength expressions in some codes are post-failure phenomena and are not the primary failure mechanism. It is also observed that failure of the connection is associated with hoop yielding of the pile, leading to a sudden drop in confining stress. The experimental results indicate that an increase in weld-bead height does not lead to an increase in capacity commensurate with code predictions.

Original languageEnglish (US)
Pages (from-to)391-417
Number of pages27
JournalMarine Structures
Volume3
Issue number5
DOIs
StatePublished - 1990

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Ocean Engineering
  • Mechanics of Materials
  • Mechanical Engineering

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    Aritenang, W., Elnashai, A. S., Dowling, P. J., & Carroll, B. C. (1990). Failure mechanisms of weld-beaded grouted pile/sleeve connections. Marine Structures, 3(5), 391-417. https://doi.org/10.1016/0951-8339(90)90011-F