Response of short monopiles for offshore wind turbine foundations: virgin and post-cyclic capacity


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Grajales, FJ 
Beemer, RD 
Murali, M 
Aubeny, CP 
Biscontin, Giovanna  ORCID logo  https://orcid.org/0000-0002-4662-5650
Abstract

Geotechnical centrifuge tests were conducted to examine monotonic behavior of low aspect ratio piles in soft clays. Monopiles with aspect ratio of two were tested in the 150g-ton centrifuge at Rensselaer Polytechnic Institute. Initial pile test results include force-displacement for displacement controlled loading. This paper focuses on ultimate capacity of short aspect ratio monopiles after cyclic loading. Post-cyclic monotonic capacity is compared to virgin monotonic capacity for pure rotational loading over a range of eccentricities.

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68th Canadian Geotechnical Conference (GeoQuebec)
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US National Science Foundation, Award Number: 1041604