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Circular and Faceted Monopile Installation Fatigue Damage

Lookup NU author(s): Giorge Koulin, Ian Sewell, Professor Brian Shaw

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Abstract

There are currently no models predicting localised stressing induced in monopole foundations resulting from pile driving installation. A scaled down test was conducted for both circular and faceted monopile, during which monopile stressing was measured. From the stress data gathered fatigue damage was estimated. Fatigue damage of the faceted geometry is significantly larger than that of the circular geometry. It is shown that in the worst case the fatigue damage incurred is still negligible compared to the full service life of the foundation. Suggestions for future developments are made, such developments can be helpful in providing greater understanding of the occasional cases where fatigue damage resulting from pile driving is not negligible and has perhaps resulted in failure.

Publication metadata

Author(s): Koulin G, Sewell I, Shaw BA

Publication type: Article

Publication status: Published

Journal: Engineering

Year: 2016

Volume: 8

Issue: 4

Pages: 232-244

Online publication date: 28/04/2016

Acceptance date: 24/04/2016

Date deposited: 24/05/2016

ISSN (print): 1947-3931

ISSN (electronic): 1947-394X

Publisher: Scientific Research Publishing, Inc.

URL: http://dx.doi.org/10.4236/eng.2016.84020

DOI: 10.4236/eng.2016.84020

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