Guide pipe frame-cylindrical structure combined offshore wind turbine foundation
A technology for cylindrical foundations and offshore wind turbines, applied in infrastructure engineering, construction, etc., can solve problems such as long construction periods, achieve low cost, convenient construction, and improve the ability to resist bending moments
Active Publication Date: 2014-04-30
THE FRONTIER TECH RES INST OF TIANJIN UNIV
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Abstract
A guide pipe frame-cylindrical structure combined offshore wind turbine foundation is composed of a cylindrical foundation part and a guide pipe frame part. The cylindrical foundation part comprises a cylindrical steel wall, a concrete cover plate, a prestressed beam and a connecting beam, wherein the concrete cover plate, the prestressed beam and the connecting beam are connected into a whole in a poured mode. The guide pipe frame part comprises four steel leg columns, steel supporting pipes, connecting cylinders and flanges, wherein the steel leg columns and the connecting cylinders are welded and fixed through the steel supporting pipes respectively, the four steel leg columns are fixed to the middle of the connecting beam 4 of the concrete cover plate, and the connecting cylinders are connected with a wind turbine tower through the flanges. The guide pipe frame-cylindrical structure combined offshore wind turbine foundation has the advantages that a top plate bearing mode is adopted by the guide pipe frame-cylindrical structure of the offshore wind turbine foundation so that the resistance to the bending moment of the whole foundation can be improved remarkably, and the requirement for the bearing capacity of the foundation is lowered; the negative pressure sinking installation mode is adopted, so that the construction speed is high; the whole structure is overall prefabricated and assembled on a shore, floatingly-transported on the sea and installed in a negative pressure sinking mode on the sea, as a result, construction is convenient, efficiency is high, and cost is low.
Application Domain
Foundation engineering
Technology Topic
Bending momentShore +9
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- Experimental program(1)
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PUM
Property | Measurement | Unit |
Angle | 0.0 ~ 30.0 | deg |
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