RESPONSE OF SHORT MONOPILES FOR OFFSHORE WIND TURBINE FOUNDATIONS: VIRGIN AND POST-CYCLIC CAPACITY

Francisco J. Grajales, Ryan D Beemer, Madhuri Murali, Charles P Aubeny, Giovanna Biscontin

In the proceedings of: GeoQuébec 2015: 68th Canadian Geotechnical Conference & 7th Canadian Permafrost Conference

Session: Foundations V / Fondations V

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.

RÉSUMÉ: Des essais géotechniques rapport longueur-diamètre dans les argiles molles. Des monopieux avec un rapport longueur-diamètre de deux ont été testés dans la centrifugeuse de 150g-tonnes au Rensselaer Polytechnic Institute. Les résultats des essais de pieux comprennent les courbes force-déplacement pour le chargement en déplacement contrôlé. Cet article se concentre sur la capacité ultime des monopieux à faible rapport longueur-diamètre après un chargement cyclique. La capacité monotone post-cyclique est comparée à la capacité monotone vierge pour le chargement en rotation pure, et ce sur une

Access this article:
Canadian Geotechnical Society members can access to this article, along with all other Canadian Geotechnical Conference proceedings, in the Member Area. Conference proceedings are also available in many libraries.

Cite this article:
Francisco J. Grajales; Ryan D Beemer; Madhuri Murali; Charles P Aubeny; Giovanna Biscontin (2015) RESPONSE OF SHORT MONOPILES FOR OFFSHORE WIND TURBINE FOUNDATIONS: VIRGIN AND POST-CYCLIC CAPACITY in GEO2015. Ottawa, Ontario: Canadian Geotechnical Society.

@article{594,author = Francisco J. Grajales; Ryan D Beemer; Madhuri Murali; Charles P Aubeny; Giovanna Biscontin,title = RESPONSE OF SHORT MONOPILES FOR OFFSHORE WIND TURBINE FOUNDATIONS: VIRGIN AND POST-CYCLIC CAPACITY,year = 2015}