PISA: New Design Methods for Offshore Wind Turbine Monopiles

Conference paper (2017)

Authors

Byron W. Byrne University of Oxford
Ross A. McAdam University of Oxford
Harvey Burd University of Oxford
Guy T. Houlsby University of Oxford
Chris M. Martin University of Oxford
WJAP Beuckelaers University of Oxford
L. Zdravković Imperial College London
D. M G Taborda Imperial College London
Kenneth Gavin University College Dublin
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Published Date

2017

Language

English

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Abstract

Improved design of laterally loaded monopiles is central to the development of current and future generation offshore wind farms. Previously established design methods have demonstrable shortcomings requiring new ideas and approaches to be developed, specific for the offshore wind turbine sector. The Pile Soil Analysis (PISA) Project, established in 2013, addresses this problem through a range of theoretical studies, numerical analysis and medium scale field testing. The project completed in 2016; this paper summarises the principal findings, illustrated through examples incorporating the Cowden stiff clay profile, which represents one of the two soil profiles targeted in the study. The implications for design are discussed.