Marine wind power generation, a field led by Europe so far, is a new and renewable energy industry that has been attracting more attention since the Paris International Climate Agreement. In Korea, following a 5 MW demonstration site in Woljeong-ri, Jeju, the Jeju Tamna marine wind farm with a scale of 30 MW is currently in operation, and the Southwest Sea marine wind power phase 1 with a 70 MW demonstration complex project is under construction. In addition to these, various businesses are promoting a marine wind power generation complex plan.
The marine wind power support structure applied in Korea so far is a jacket-type steel structure developed by the oil and gas industry. Because the steel structure is sensitive to the vibration of the upper generator and deformation and fatigue caused by the wave load, a high-level design technique is required. For this reason, attention is focused on the development of a new type of support structure made of concrete, which is relatively resistant to deformation and fatigue compared to steel and has excellent corrosion resistance.
The concrete gravity type foundation is one of the many foundation types that have been applied to various structural types in the past, and it satisfies stability by resisting external forces acting on the structure with only the weight of the foundation.