The Geotechnical Challenges Facing the Offshore Wind Sector

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Title: The Geotechnical Challenges Facing the Offshore Wind Sector
Authors: Doherty, Paul
Gavin, Kenneth
Casey, Bernard
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Date: Mar-2011
Abstract: The offshore wind sector is undergoing rapid expansion across Europe, driven by the demand for renewable energy and the uncertainty regarding fossil fuel supplies. The proposed wind farm developments are creating significant geotechnical challenges, particularly in terms of efficient foundation design. The majority of wind farms constructed to date have been founded in water depths of less than thirty meters. However 70% of the proposed turbines over the next 10 years will be located in water between 30 and 70m, which increases the lateral loads and moments applied to the foundations. This paper outlines the geotechnical design considerations for turbines located in relatively deep water. The empirical design models commonly used for monopiles and jackets are briefly discussed, in order to highlight the limitations in existing design procedures, originally formulated for the oil and gas sector.
Type of material: Conference Publication
Publisher: American Society of Civil Engineers
Copyright (published version): 2011 American Society of Civil Engineers
Keywords: GeotechnicalOffshoreWindSectorWind farms
DOI: 10.1061/41165(397)18
Language: en
Status of Item: Peer reviewed
Is part of: Han, J. and Alzamorea, D. A. (eds.). Geo-Frontiers 2011: Advances in Geotechnical Engineering
Conference Details: Geo-Frontiers 2011 conference, Dallas, Texas, U.S.A., 13-16 March, 2011
Appears in Collections:Civil Engineering Research Collection

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