Projects per year
Abstract
Screw piles are an alternative to offshore driven piles due to their significant uplift capacity and installation without underwater noise. Current design guidance recommends that the pile advancement rate during installation must be of one helix pitch per rotation, to minimise soil disturbance. However, such an advancement rate may require the application of significant crowd force that can exceed the reaction force available from the installation vessel. This paper summarises geotechnical centrifuge tests in sand, in which model single helix screw piles were installed at installation rates lower than the recommended values (pile overflighting). Results show that such an installation procedure has beneficial effects, in that it reduces the vertical force necessary for installation and enhances the uplift capacity. Therefore, it can be concluded that screw piles are particularly suitable to be used as offshore anchors.
| Original language | English |
|---|---|
| Pages | 1081-1086 |
| Publication status | Published - 5 May 2022 |
| Event | 20th International Conference on Soil Mechanics and Geotechnical Engineering - Sydney, Australia Duration: 1 May 2022 → 5 May 2022 https://icsmge2022.org/ |
Conference
| Conference | 20th International Conference on Soil Mechanics and Geotechnical Engineering |
|---|---|
| Country/Territory | Australia |
| City | Sydney |
| Period | 1/05/22 → 5/05/22 |
| Internet address |
Keywords
- Screw Piles
- offshore wind energy
- centrifuge modeling
ASJC Scopus subject areas
- Civil and Structural Engineering
- Renewable Energy, Sustainability and the Environment
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Dive into the research topics of 'Overflighting screw piles in sand, a detrimental effect?'. Together they form a unique fingerprint.Projects
- 1 Finished
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Supergen Wind Challenge 2015: Screw Piles for Wind Energy Foundation Systems (Joint with Universities of Durham and Southampton)
Brennan, A. (Investigator), Brown, M. (Investigator) & Knappett, J. (Investigator)
Engineering and Physical Sciences Research Council
26/02/16 → 25/07/19
Project: Research
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3D numerical analysis of screw pile subjected to axial compressive and lateral load
Kumar, P. V. P., Patra, S., Haldar, S., Brown, M. J., Knappett, J. A. & Sharif, Y. U., 1 Jan 2023, Soil Dynamics, Earthquake and Computational Geotechnical Engineering : Proceedings of the Indian Geotechnical Conference 2021 Volume 5. Muthukkumaran, K., Ayothiraman, R. & Kolathayar, S. (eds.). Singapore: Springer , Vol. 5. p. 75-85 11 p. (Lecture Notes in Civil Engineering; vol. 300).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Open AccessFile64 Downloads (Pure) -
Anchor geotechnics for floating offshore wind: Current technologies and future innovations
Cerfontaine, B. (Lead / Corresponding author), White, D., Kwa, K., Gourvenec, S. M., Knappett, J. A. & Brown, M. J., 1 Jul 2023, In: Ocean Engineering. 279, 20 p., 114327.Research output: Contribution to journal › Article › peer-review
Open AccessFile14 Citations (Scopus)1172 Downloads (Pure) -
Control of screw pile installation to optimise performance for offshore energy applications
Cerfontaine, B. (Lead / Corresponding author), Brown, M., Knappett, J., Davidson, C., Sharif, Y., Huisman, M., Ottolini, M. & Ball, J. D., Mar 2023, In: Géotechnique. 73, 3, p. 234-249 16 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile11 Citations (Scopus)437 Downloads (Pure)
Student theses
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Screw piles as offshore foundations : Numerical and physical modelling
Al-Baghdadi, T. (Author), Brown, M. (Supervisor) & Knappett, J. (Supervisor), 2018Student thesis: Doctoral Thesis › Doctor of Philosophy
File
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External PhD examiner University of Western Australia, Pierre-Yves Guy Duverneuil: The response of helical anchors under offshore environmental loading
Brown, M. (Examiner)
29 May 2024Activity: Examination types › Examination
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Public Engagement: Tayport Episcopalian Church Talk, Sea Sunday: Local Offshore Renewable Energy Investigation and Development
Brown, M. (Speaker) & Ciantia, M. (Speaker)
9 Jul 2023Activity: Talk or presentation types › Invited talk
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Invited Speaker British Geotechnical Association Annual Conference Modelling of Large Helical Piles for offshore renewable applications
Brown, M. (Speaker)
22 Jun 2022Activity: Talk or presentation types › Invited talk
Datasets
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Centrifuge dataset for screw pile installation and uplift
Cerfontaine, B. (Creator), Sharif, Y. (Contributor) & Davidson, C. (Contributor), University of Dundee, May 2021
DOI: 10.15132/10000160
Dataset
File -
University of Dundee Test Data for the EPSRC Supergen Wind Hub Grand Challenges Project: Screw Piles for Wind Energy Foundations (Grant no. EP/N006054/1)
Davidson, C. (Creator), Brown, M. (Creator), Knappett, J. (Creator) & Brennan, A. (Creator), University of Dundee, 23 Feb 2022
DOI: 10.15132/10000176, https://doi.org/10.1680/jgeot.18.P.311 and one more link, https://www.screwpilesforoffshorewind.co.uk/#:~:text=Screw%20(or%20helical)%20piles%20are,good%20tensile%20and%20compressive%20resistance. (show fewer)
Dataset
File
Press/Media
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How we stop floating wind turbines the size of skyscrapers from drifting away
23/05/23
1 Media contribution
Press/Media: Research
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Dundee University engineers hope to silence offshore construction
28/01/21
1 item of Media coverage
Press/Media: Research
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Prizes
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Institution of Civil Engineers Geotechnical Research Medal 2023
Davidson, C. (Recipient), Brown, M. (Recipient), Cerfontaine, B. (Recipient), Knappett, J. (Recipient), Brennan, A. (Recipient), Al-Baghdadi, T. (Recipient), Augarde, C. (Recipient), Coombs, W. M. (Recipient), Wang, L. (Recipient), Blake, A. (Recipient), Richards, D. (Recipient) & Ball, J. D. (Recipient), 13 Oct 2023
Prize: Prize (including medals and awards)