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SAFS

Development of screw anchors for floating Marine Renewable Energy system arrays incorporating anchor sharing

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

SAFS project word cloud

Explore the words cloud of the SAFS project. It provides you a very rough idea of what is the project "SAFS" about.

efficient experimental renewable electricity excellent sources cutting competitiveness jobs tides designed fitted installed energy reduces combination methodology wind tests physical carry investments never leadership piles organising arrays solutions started facilities soil flight loads uplift assumed fundamental additional screw classical generate clear horizontal dundee derive directional numerical centrifuge helices offers outstanding anchoring install waves background expensive small hurdles fatigue inappropriate capacity economical cyclic 2020 edge resistance validated marine simulations market torque representative revolution anchor university share sand database uplifting solution loading apparatus 20 too adjacent total turn anchors

Project "SAFS" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITY OF DUNDEE Organization address address: Nethergate city: DUNDEE postcode: DD1 4HN website: www.dundee.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Project website	https://www.researchgate.net/project/Development-of-screw-anchors-for-floating-Marine-Renewable-Energy-system-arrays-incorporating-anchor-sharing
Total cost	195˙454 €
EC max contribution	195˙454 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2017
Duration (year-month-day)	from 2017-08-01 to 2019-07-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITY OF DUNDEE UNIVERSITY OF DUNDEE Organization address address: Nethergate city: DUNDEE postcode: DD1 4HN website: www.dundee.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (DUNDEE)	coordinator	195˙454.00

Map

Project objective

Classical anchoring solutions are inappropriate for the development of new marine renewable energy devices (wind/waves/tides). They are too expensive and not efficient. Organising devices in arrays is a solution where adjacent devices share an anchor. It reduces the total number of anchors necessary and the overall cost. In turn the loading applied to an anchor is a complex combination of horizontal and uplift cyclic loads. Screw anchors are piles which are fitted with one or several helices at their end. They are installed into the soil by applying a torque and are assumed to have an excellent resistance against uplifting. The objective of this work is to study the fundamental behaviour of screw anchors upon complex loading in sand. A unique database of physical modelling tests (using cutting edge centrifuge apparatus) representative of small arrays of devices will be developed. In particular the tests will assess their uplift capacity after low level cyclic loading (fatigue behaviour). Numerical simulations, validated against experimental results, will provide additional information. Finally a new design methodology taking into account multi-directional and fatigue loading will be derived. This comprehensive topic has never been investigated before in sand. The University of Dundee offers cutting edge centrifuge facilities and has an outstanding experience in physical modelling. A designed experimental set-up is able to install screw piles in flight and apply a multi-directional loading. I will build on my strong background in numerical modelling to carry out the numerical part of the project. EU targets the ambitious objective to derive 20% of its electricity production from renewable sources by 2020. The energy revolution has just started and should generate many jobs and investments in Europe. This project will clear technical and economical hurdles associated with anchoring. It will improve competitiveness and leadership of EU on the renewable energy market.

Publications

List of publications.
year	authors and title	journal	last update
2020	Benjamin Cerfontaine, Jonathan Knappett, Michael John Brown , Craig Davidson, Therar Al-Baghdadi, Yaseen Sharif, Andrew Brennan, Charles Augarde, William Coombs, Lei Wang, Anthony Blake, David Richards and Jon Ball (Submitted for publication) A Finite Element approach for determining the full load-displacement relationship of axially-loaded screw anchors, incorporating installation effects published pages: , ISSN: 0008-3674, DOI:	Canadian Geotechnical Journal	2020-01-27
2019	Cerfontaine, B., Knappett, J., Brown, M., Bradsaw, A. S. Design of plate and screw anchors in dense sand: failure mechanism, capacity and deformation published pages: , ISSN: , DOI:	7th International Symposium on Deformation Characteristics of Geomaterials (IS-Glasgow 2019)	2020-01-27
2019	Brown, M., Sharif, Y., Ciantia, M., Knappett, J., Davidson, C., Cerfontaine, B., Robinson, S. Numerically modelling the installation and loading of screw piles using dem published pages: , ISSN: , DOI:	Proceedings of the 1st International Symposium on Screw Piles for Energy Applications, Dundee, United Kingdom.	2020-01-27
2019	Brown, M., Davidson, C., Brennan, A., Knappett, J., Cerfontaine, B., Sharif, Y. Physical modelling of screw piles for offshore wind energy foundations published pages: , ISSN: , DOI:	Proceedings of the 1st International Symposium on Screw Piles for Energy Applications, Dundee, United Kingdom.	2020-01-27
2019	Cerfontaine, B., Knappett, J., Brown, M., Davidson, C., Sharif, Y. Screw pile design optimisation under tension in sand published pages: , ISSN: , DOI: 10.32075/17ecsmge-2019-0696	Proceedings of the XVII ECSMGE-2019	2020-01-27
2020	Benjamin Cerfontaine, Jonathan Knappett, Michael John Brown, Craig Davidson, Yaseen Sharif (Submitted for publication) Optimised design of screw anchors in tension in sand for renewable energy applications published pages: , ISSN: 0951-8339, DOI:	Marine Structures	2020-01-27
2019	Cerfontaine, B., Brown, M., Knappett, J., Davidson, C. Finite element modelling of the uplift behaviour of screw piles in sand published pages: , ISSN: , DOI: 10.20933/100001123	Proceedings of the 1st International Symposium on Screw Piles for Energy Applications	2020-01-27
2019	Benjamin Cerfontaine, Jonathan A. Knappett, Michael J. Brown, Aaron S. Bradshaw Effect of soil deformability on the failure mechanism of shallow plate or screw anchors in sand published pages: 34-45, ISSN: 0266-352X, DOI: 10.1016/j.compgeo.2019.01.007	Computers and Geotechnics 109	2020-01-27

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