Effect of embedment on the plastic behaviour of Bucket Foundations

Lars Bo Ibsen, Amin Barari, Kim André Larsen

Research output: Contribution to journalJournal articleResearchpeer-review

18 Citations (Scopus)

Abstract

A series of comprehensive research and development projects has validated the novel concept of the bucket foundation as an alternative to piled foundations, and bucket foundations are rapidly becoming a viable option for offshore wind farms and marginal fields.

Within the last decade, experimental studies have indicated the possibility of defining foundation response using plasticity theory. Results of multiple loading tests addressing the effect of embedment on the strain-hardening behavior of shallow bucket foundations under combined loading are reported. The kinematic mechanisms accompanying pre-failure are presented. It is argued that the drained capacity of offshore bucket foundations and the ratio of plastic increments are largely influenced by embedment depth and the preload ratio V/Vpeak.
Original languageEnglish
Article number06015005
JournalJournal of Waterway, Port, Coastal, and Ocean Engineering
Volume141
Issue number6
Number of pages9
ISSN0733-950X
DOIs
Publication statusPublished - 2015

Keywords

  • Bucket foundation
  • Combined loading
  • Strain-hardening model
  • Plastic increments

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