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STATIC AND CYCLIC DESIGN ASPECTS FOR FOUNDATION PILES OF OFFSHORE WIND FARMS

Session: Foundations V / Fondations V

Axel Nernheim, WTM Engineers GmbH (Germany)
Andre Stang, THM - University of Applied Sciences (Germany)

Part of the proposed transition of the German energy market to renewable energy will be based on the large-scale development of offshore wind farms. Due to large pile diameters and distinct cyclic loading effects from wind and waves, new challenges arise for the pile design of the foundations. This contribution gives an overview of the specific cyclic pile design aspects with a focus on offshore wind farm installations in the German sector of the North Sea. Three methods are presented: An interaction diagram, an analytical and a numerical approach.