NDLI: Centrifuge modelling of screw piles for offshore wind energy foundations

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Centrifuge modelling of screw piles for offshore wind energy foundations

Content Provider	Semantic Scholar
Author	Davidson, Craig Al-Baghdadi, T. A. Brown, Michael Knappett, Jonathan Adam Brennan, Andrew Augarde, Charles Wang, Luo-Ying Coombs, William M. Richards, Deanna J. Blake, Anthony Ball, J.
Copyright Year	2018
Abstract	Screw piles (helical piles) can provide a viable, cost-effective and low-noise installation alternative to increasing the size of existing foundation solutions (e.g. monopiles) to meet the demand for the advancement of offshore wind energy into deeper water. Significant upscaling of widely used onshore screw pile geometries will be required to meet the loading conditions of a jacket supported offshore wind turbine. This increase in size will lead to greater installation force and torque. This paper presents preliminary results from centrifuge tests investigating the requirements to install screw piles designed for an offshore wind energy application using specially developed equipment. Results indicate that the equipment is suitable to investigate these screw pile requirements and that significant force is required for such upscaled screw piles, with 19 MN vertical force and 7 MNm torque for the standard design. Optimisation of the screw pile geometry, reduced these forces by 29 and 11% for the vertical and rotational forces respectively.
Starting Page	695
Ending Page	700
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1201/9780429438646
Alternate Webpage(s)	https://www.screwpilesforoffshorewind.co.uk/app/download/8702771/Centrifuge+modelling+of+screw+piles+for+offshore+wind+energy+foundations.pdf
Alternate Webpage(s)	https://doi.org/10.1201/9780429438646
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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