Comparison of settlement calculation methods for the design of a gravity base foundation in deep water

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The vast majority of offshore wind farms today are supported by mono-pile foundations. Until fairly recently mono-piles have
been un-challenged as the primary foundation type, but this is now changing. With offshore wind farms moving into deeper water, monopiles
are becoming a less suitable option, not only economically but also in terms of function. This paper focuses on concrete gravity base
foundations as an alternative to mono-piles for future offshore wind developments. More specifically the focus is on the geotechnical aspects
of concrete gravity base foundation design, particularly the calculation of foundation settlement using both traditional analytical and
numerical modelling methods. A design case study is performed using site-specific data for a future Scottish Territorial Waters offshore
wind farm site. This consisted primarily of geotechnical stability and settlement calculations. The findings indicated that there was a great
compliance between traditional analytical methods and numerical modelling approaches.
Original languageEnglish
Title of host publicationProceedings of the XVI ECSMGE Geotechnical Engineering for Infrastructure and Development
EditorsDerek M. Smith, Mike G. Winter, David G. Toll, Peter J.L. Eldred, Peter J.L. Eldred, Mike G. Winter
PublisherICE Publishing
Pages1327-1332
Number of pages7
ISBN (Electronic)9780727760678
ISBN (Print)978-0-7277-6067-8
DOIs
Publication statusPublished - 23 Nov 2015
EventXVI ECSMGE Geotechnical Engineering for Infrastructure and Development - Edinburgh, United Kingdom
Duration: 14 Sept 201518 Sept 2015

Publication series

NameGeotechnical Engineering for Infrastructure and Development - Proceedings of the XVI European Conference on Soil Mechanics and Geotechnical Engineering, ECSMGE 2015
Volume3

Conference

ConferenceXVI ECSMGE Geotechnical Engineering for Infrastructure and Development
Abbreviated titleXVI ECSMGE
Country/TerritoryUnited Kingdom
CityEdinburgh
Period14/09/1518/09/15

Keywords

  • settlement calculation
  • gravity base foundation
  • offshore wind farms

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