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The jacket structure has, so far, primarily been used within the oil and gas industry, and COWI has extensive experience in the design of jacket structures from this industry.
Design experienceSo far, jackets have only been applied in a limited amount of offshore wind farms, as depth conditions have favoured gravity-based foundations or monopile foundations.
COWI's design experience is derived from the oil and gas industry in the Danish and Norwegian part of the North Se, in the Gulf region and in the US. COWI's design experience also covers precast concrete jackets to be used when retrofitting bridge supports.
Soil conditionIn deep locations, where soil conditions do not permit the use of gravity-based foundations, the jacket structure is a relevant choice for turbine foundations. The cost of the material is relatively high compared to gravity-based solutions.
ToolsCOWI applies state-of-the-art FEM programmes in the design process as well as in-house developed programmes. We select the appropriate tool for each given project in order for our clients always to obtain the optimal solution.
Jan RønbergProject Director
Marine & Foundation EngineeringTel: + 45 5640 email@example.com
Jan Erik BergVice PresidentTDA Engineering+47 959 19 firstname.lastname@example.org
Martin KelmProject Director
Marine & Foundation EngineeringTel.: +49 email@example.com