Design Tools Available For Monopile Engineering

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Title: Design Tools Available For Monopile Engineering
Authors: Doherty, Paul
Prendergast, Luke J.
Murphy, Gerry
Gavin, Kenneth
Permanent link: http://hdl.handle.net/10197/7289
Date: 13-Mar-2014
Abstract: Monopiles have been by far the most common support structure used for offshore turbines, with approximately 75% of existing wind farms founded on these large diameter steel tubes EWEA(2014). However, despite the widespread prevalence of monopiles across the wind sector, the design tools commonly used by industry have typically evolved from those developed by the oil and gas sector, which apply to significantly different design conditions. This paper introduces some of the design approaches available in practice and identifies some of the limitations of current offshore codes. Finite Element Methods (FEM) are suggested as a means of more accurately considering offshore soil behaviour, although the importance of accurate calibration of these models against real data (lab and/or field data) is stressed. Novel means of determining the in-situ frequency response are also discussed and the potential implications for monopile design at different sites. Finally, some design aspects of XL monopiles are considered that suggest monopiles may be pushed into ever increasing water depths.
Type of material: Conference Publication
Publisher: European Wind Energy Association
Keywords: Foundation design;Modelling;Dynamic response
Language: en
Status of Item: Peer reviewed
Is part of: Proceedings of the European Wind Energy Association 2014
Conference Details: European Wind Energy Association Conference, Barcelona, Spain, 10 - 13 March, 2014
Appears in Collections:Civil Engineering Research Collection

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