Seaborne fixed type wind turbine foundation wave absorbing device and construction method thereof: Fid-Bau Portal

Seaborne fixed type wind turbine foundation wave absorbing device and construction method thereof

WANG LIQUN / CONG ZHIMING / NIU SHENGKAI / HUANG YUNLONG / ZHU LING

The invention discloses an offshore fixed type wind turbine foundation wave absorbing device and a construction method thereof. The device comprises a supporting rod piece, a rotating pin, a wave absorbing plate, a buoy and a wave absorbing water bag. The multiple supporting rod pieces are arranged along the circumference of the fixed type fan foundation on the sea in the radial direction, rotationally connected with the fixed type fan foundation on the sea through rotating pins and capable of rotating around the fixed type fan foundation on the sea along with changes of the water level on the sea, and the wave absorbing plate is arranged between the two supporting rod pieces. Wave climbing energy dissipation, waveform damage and consumption of energy in the horizontal direction of waves are achieved through the inclined wave absorbing plates, the acting force of the waves on the foundation structure is effectively reduced, fatigue loads caused by wave common frequency are reduced, the overall frequency application range of a fixed foundation is widened, and the control effect on horizontal displacement of a supporting structure is enhanced; and the economical efficiency of the offshore wind turbine generator is improved.

本发明公开了一种海上固定式风机基础消波装置及其施工方法，该装置包括支撑杆件、转动销、消波板、浮筒和消波水袋；所述支撑杆件有多个沿海上固定式风机基础的圆周径向排布，并通过转动销与海上固定式风机基础转动式连接，能够随海上水位变动而绕海上固定式风机基础转动，所述消波板设置在两个支撑杆件之间；本发明通过倾斜消波板实现波浪爬坡消能，破坏波形，消耗波浪水平方向能量，有效降低波浪对基础结构的作用力和减小波浪共频引起的疲劳载荷，提高固定式基础的整机频率适用范围，增强支撑结构水平位移的控制作用，提高海上风电机组的经济性。

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