Based on the real design parameters and environmental load,PLAXIS Monopile Designer and SACS software were used to realize the optimal design of reduced monopile in a wind field of China.The ultimate strength,structural deformation,natural vibration frequency and fatigue analysis were carried out.The reduced monopile with the same upper size had a larger mud surface angle and horizontal displacement,and a lower vertical displacement and natural vibration frequency.The results verify the feasibility of the reduced monopile scheme,and achieve a 10.9%reduction in steel consumption.
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