Session B7: Foundations & Renewables
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Published:2010
2010. "Session B7: Foundations & Renewables", Coasts, marine structures and breakwaters: Adapting to change: Proceedings of the 9th international conference organised by the Institution of Civil Engineers and held in Edinburgh on 16 to 18 September 2009, William Allsop
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Session B7: Foundations & Renewables
B7.1 Competitive concrete gravity base foundations for offshore wind farms W Brook-Hart
B7.2 Ocean Brick Scheme (OBS) as a foundation structure for offshore wind turbine
A Kortenhaus B7.3 Foundations to precast marine structures M Hawkswood
B7.4 Scour around gravity-based wind turbine foundations - prototype measurements A Bolle
Discussion on paper B7.1 (Brook-Hart)
David Loader, Tierramar Ingenieria SL
Did you look at making the core structure self buoyant for float unit, as opposed to building vessel? And if yes, what were the findings?
Author's reply -
The design team did initially look at making the gravity base foundation ("GBF") self-floating. However we found that the shape needed for efficient transfer of forces down the stem to the baseplate gave a poor shape from the naval architect's point of view for stability during a tow to site. Therefore, to avoid compromising both the design of the GBF for its service life, and the stability during towing, the GBF's own buoyancy is supplemented by the purpose-designed transport and installation barge ("TIB") which is designed to optimise the transport and installation process.
