Dimension and design of reliable foundation systems for offshore wind farms
The SOLCYP+ project looks to improve the dimension and design of driven and bored monopiles to build fixed offshore wind farms.
In a context of growing unitary power, the investments associated with offshore wind foundations represent an important part of CAPEX, reaching up to 20% of the total. A key to improving the competitiveness of this type of energy production is the limiting of conservative design practices, resulting in optimized designs and reduced costs. To achieve this, foundation behavior evolution throughout the structural life-cycle needs to be better understood.
The primary objective of SOLCYP+ is to develop a methodology predicting the effects of a cyclic load stemming from soil-structure interactions. Sandy and carbonated soils are of particular interest to the SOLCYP+ project; both of which are currently found in French waters where offshore wind foundations will be installed. Until now, carbonated soils have not been extensively studied in this context. This project focuses on French challenges to wind farm development where four of the slated wind farm projects (St Nazaire, Courseulles, Fécamp and Le Tréport) from the first two French tenders involve this type of soil.
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