Present knowledge about Laboratory Testing of Axial Loading on Suction Caissons

E. Manzotti, Evelina Vaitkunaite, Lars Bo Ibsen

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Offshore wind turbines are increasing in both efficiency and size. More economical foundations for such light structures are under investigation, and suction caisson was shown to be particularly suitable for this purpose. In multi-pod foundation configuration, the overturning moment given by loads on the structure is resisted by push-pull loads on the vertical axis of each suction caisson. Relevant works where this situation is examined by means of laboratory testing are summarized in this article, then different conclusions are followed by discussion and comparison. In the initial theoretical section, an overview of phenomena related with the case of study is presented. Drained and undrained condition, liquefaction and suction are examined from the theoretical point of view for mechanisms related to the case of study.
Original languageEnglish
Place of PublicationAalborg
PublisherDepartment of Civil Engineering, Aalborg University
Number of pages21
Publication statusPublished - 2014
SeriesDCE Technical Memorandum


  • Offshore wind turbines
  • Foundations
  • Suction caisson


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