Comparative Concept Design Study of Laterally Loaded Monopiles

K. Kaltekis, S. Panagoulias, B.F.J. van Dijk, R.B.J. Brinkgreve, M. Ramos da Silva

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Offshore wind turbine generators (WTG) are commonly founded on single large diameter piles, named monopiles. These monopiles are subjected to significant lateral loads and thereby sizeable overturning bending moments mainly due to action of wind and wave forces; thus the critical geotechnical design situation for monopiles supporting WTGs is often related to lateral loading conditions. The Pile Soil Analysis (PISA) joint industry research project [1] has recently proposed a monopile design method which encompasses finite element (FE) calculations under a specific design framework. Soil reaction curves that are crucial for monopile design (i.e. lateral force and moment reactions along the shaft and at the base of the pile) are derived from FE calculations, subsequently calibrated and entered into a 1D model which is then used for design optimisation. This method is implemented within the PLAXIS MoDeTo (Monopile Design Tool) software. This paper presents results of a concept monopile design study under lateral monotonic loading with the use of the PLAXIS MoDeTo method.
Original languageEnglish
Article number012027
Number of pages11
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2019
EventWindEurope Conference - Bilbao, Spain
Duration: 2 Apr 20194 Apr 2019

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