Buckling of Bucket Foundations: Sensitivity to shape imperfections during installation

Søren Madsen, Lars Vabbersgaard Andersen, Lars Bo Ibsen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

1 Citation (Scopus)

Abstract

In this paper, the risk of structural buckling during installation of large-diameter bucket foundations is addressed using numerical methods. Imperfect geometries are introduced based on the pre-buckling mode shapes from a linear Eigenvalue buckling analysis. Various imperfect geometries are introduced to reveal how sensitive the buckling load is to the mentioned imperfections. Including the first 21 mode shapes as imperfect geometries reduces the buckling pressure compared to only considering mode 1.
Original languageEnglish
Title of host publicationProceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference
Number of pages5
PublisherInternational Society of Offshore & Polar Engineers
Publication date2012
Pages166-170
ISBN (Electronic)978-1-880653-94−4
Publication statusPublished - 2012
EventInternational Ocean and Polar Engineering Conference 2012 - Ixia, Rhodes, Greece
Duration: 17 Jun 201223 Jun 2012
Conference number: 22

Conference

ConferenceInternational Ocean and Polar Engineering Conference 2012
Number22
Country/TerritoryGreece
CityIxia, Rhodes
Period17/06/201223/06/2012
SeriesProceedings of the International Offshore and Polar Engineering Conference
Number22
ISSN1098-6189

Keywords

  • Wind Turbines
  • Suction Caisson
  • Foundation
  • Buckling

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