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Load Transferring Mechanism on Transition Section of Composite Bucket Foundation for Offshore Wind Turbines 被引量：2
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作者 Puyang Zhang Zhi Zhang +2 位作者 Junjie Ma Hongyan Ding Ruiqi Hu 《Transactions of Tianjin University》 EI CAS 2017年第5期434-444,共11页
The composite bucket foundation (CBF) is a new kind of foundation which has been applied in the offshore wind industry. A reasonable connection pattern between the tower and the CBF top cover is crucial for load trans... The composite bucket foundation (CBF) is a new kind of foundation which has been applied in the offshore wind industry. A reasonable connection pattern between the tower and the CBF top cover is crucial for load transmissions from the superstructure. Therefore, it is essential to choose an optimum structure type for the transition section. The line type and the arc transition section models were established by ABAQUS, and the internal forces of cross section were extracted along the height direction. Specifically, the force transfer mechanism for different types of the transition sections was investigated comparatively with monotonic as well as composite loadings. The results show that the curved transition structure exhibits the better mechanical characteristics under the monotonic and composite loadings, and the reason can be illustrated that its specific arc-shape structure can effectively convert the tremendous bending moment from the turbine tower into the limited tensile and compressive stresses downwards, without the occurrence of force concentration. © 2017, Tianjin University and Springer-Verlag Berlin Heidelberg. 展开更多
关键词 FOUNDATIONS Offshore wind turbines Steel beams and girders Wind turbines
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