Bearing capacity of tall monopile offshore wind turbine towers under environmental loading

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Abstract

Offshore wind energy is a rapidly maturing renewable energy technology that is poised to play an important role in future energy systems. The respective advances refer among others to the monopile foundation that is frequently used to support wind turbines in the marine environment. In the present research paper, the structural response of tall wind energy converters with various stiffening schemes is studied during the erection phase as the latter are manufactured in modules that are assembled in situ. Rings, vertical stiffeners, T-shaped stiffeners and orthogonal stiffeners are considered efficient stiffening schemes to strengthen the tower structures. The loading bearing capacity of offshore monopile wind turbine towers with the four types of stiffeners were modeled numerically by means of finite elements. Applying a nonlinear buckling analysis, the ultimate bearing capacity of wind turbine towers with four standard stiffening schemes were compared in order to obtain the optimum stiffening option.
Original languageEnglish
Title of host publicationProceedings of the 2nd Vietnam Symposium on Advances in Offshore Engineering
Subtitle of host publicationSustainable Energy and Marine Planning
EditorsDat Vu Khoa Huynh, Anh Minh Tang, Dinh Hong Doan, Phil Watson
PublisherSpringer
Pages413-423
Number of pages11
Edition1
ISBN (Electronic)9789811677359
ISBN (Print)9789811677342, 9789811677373
DOIs
Publication statusPublished - 1 Jan 2022
EventVietnam Symposium on Advances in Offshore Engineering - Ho-Chi-Minch city, Viet Nam
Duration: 1 Nov 20213 Nov 2021
Conference number: 2
http://www.vsoe2021.sciencesconf.org

Publication series

NameLecture Notes in Civil Engineering
PublisherSpringer
Volume208
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

ConferenceVietnam Symposium on Advances in Offshore Engineering
Abbreviated titleVSOE2021
Country/TerritoryViet Nam
CityHo-Chi-Minch city
Period1/11/213/11/21
Internet address

Bibliographical note

VSOE2021 Postponed to 2022.

Keywords

  • offshore wind turbine tower
  • loading bearing capacity
  • stiffening scheme
  • offshore wind turbine tower erection

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