Field trials of suction caissons in clay for offshore wind turbine foundations

A programme of testing of caisson foundations in clay at the Bothkennar test site is described. The tests are relevant to the design of foundations for offshore wind turbines, in the form of either monopod or tetrapod foundations. Records are presented for installation of the caissons, cyclic moment...

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Main Authors: Houlsby, G, Kelly, R, Huxtable, J, Byrne, B
Format: Journal article
Language:English
Published: 2005
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author Houlsby, G
Kelly, R
Huxtable, J
Byrne, B
author_facet Houlsby, G
Kelly, R
Huxtable, J
Byrne, B
author_sort Houlsby, G
collection OXFORD
description A programme of testing of caisson foundations in clay at the Bothkennar test site is described. The tests are relevant to the design of foundations for offshore wind turbines, in the form of either monopod or tetrapod foundations. Records are presented for installation of the caissons, cyclic moment loading under both dynamic and quasi-static conditions, cyclic inclined vertical loading, and pullout of the caisson. Variation of stiffness of the foundation is observed, with high initial stiffness followed by hysteretic behaviour at moderate loads and degradation of response at high loads. Some implications for the design of wind turbine foundations are briefly discussed.
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spelling oxford-uuid:72e5b3b2-dfe8-43cf-bb59-54a8795746d22022-03-26T19:53:02ZField trials of suction caissons in clay for offshore wind turbine foundationsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:72e5b3b2-dfe8-43cf-bb59-54a8795746d2EnglishSymplectic Elements at Oxford2005Houlsby, GKelly, RHuxtable, JByrne, BA programme of testing of caisson foundations in clay at the Bothkennar test site is described. The tests are relevant to the design of foundations for offshore wind turbines, in the form of either monopod or tetrapod foundations. Records are presented for installation of the caissons, cyclic moment loading under both dynamic and quasi-static conditions, cyclic inclined vertical loading, and pullout of the caisson. Variation of stiffness of the foundation is observed, with high initial stiffness followed by hysteretic behaviour at moderate loads and degradation of response at high loads. Some implications for the design of wind turbine foundations are briefly discussed.
spellingShingle Houlsby, G
Kelly, R
Huxtable, J
Byrne, B
Field trials of suction caissons in clay for offshore wind turbine foundations
title Field trials of suction caissons in clay for offshore wind turbine foundations
title_full Field trials of suction caissons in clay for offshore wind turbine foundations
title_fullStr Field trials of suction caissons in clay for offshore wind turbine foundations
title_full_unstemmed Field trials of suction caissons in clay for offshore wind turbine foundations
title_short Field trials of suction caissons in clay for offshore wind turbine foundations
title_sort field trials of suction caissons in clay for offshore wind turbine foundations
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AT kellyr fieldtrialsofsuctioncaissonsinclayforoffshorewindturbinefoundations
AT huxtablej fieldtrialsofsuctioncaissonsinclayforoffshorewindturbinefoundations
AT byrneb fieldtrialsofsuctioncaissonsinclayforoffshorewindturbinefoundations