Offshore wind power project steel pile foundation and construction method thereof
A technology of offshore wind power and engineering steel, applied in infrastructure engineering, construction, etc., can solve the problems of large diameter, low construction efficiency, and difficult construction, and achieve the reduction of diameter and length, reduce construction cost, and reduce construction difficulty Effect
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[0051] See attached picture:
[0052] A steel pile foundation for offshore wind power projects includes a central steel pile 16 driven into a designated sea area. The central steel pile 16 is sequentially sheathed with a bottom support and a pile outer sleeve. The bottom support slides down along the central steel pile 16 and contacts the seabed. The lower end of the pile outer sleeve presses the bottom support, and the upper end of the pile outer sleeve is connected with a fan tower 17.
[0053] The pile outer sleeve is formed by connecting a bottom sleeve 5, a plurality of middle sleeves 13, and a top sleeve 14 based on bolts 15. The assembled pile outer sleeve covers the central steel pile 16 and sinks into the bottom of the sea. On the annular disc 1, the wind turbine tower 17 is connected to the top sleeve 14. The gravity of the wind turbine is directly transmitted to the seabed based on the outer sleeve of the pile. The horizontal load on the wind turbine is borne by the cent...
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