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An anchoring system for supporting platforms for wind energy devices

Sivakumar, Vinayagamoorthy, Fanning, Joseph, Gavin, Ken, Tripathy, Snehasis ORCID: https://orcid.org/0000-0003-1632-7668, Bradshaw, Aaron, Murray, Edward J., Black, Jonathan and Donohue, Shane 2023. An anchoring system for supporting platforms for wind energy devices. Geotechnical Engineering 10.1680/jgeen.22.00245
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Abstract

This paper presents data from an initial development stage of an ‘umbrella anchor’ concept. The anchor can be pushed into a sand deposit in a folded arrangement to reduce installation loads. When a pull-out load is applied to the mooring line, the anchor deploys to create a large embedded plate anchor. Physical modelling was carried out in a saturated sand bed with the anchor installed at depths of up to 1.6 m and loaded vertically. During installation, liquefaction was generated at the tip of the anchor to reduce the penetration resistance. This enabled the anchor to be installed quickly and accurately to a target depth. The anchor could provide pull-out resistances comparable to an anchor that has been wished-in-place at similar depths. The observed behaviour provided encouraging preliminary results and suggests that, with further development and analysis, the concept could potentially be used for commercial applications.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Engineering
Publisher: ICE Publishing
ISSN: 1353-2618
Date of First Compliant Deposit: 13 November 2023
Date of Acceptance: 4 July 2023
Last Modified: 14 Nov 2023 18:40
URI: https://orca.cardiff.ac.uk/id/eprint/163370

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