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Offshore wind power combined barrel-shaped base

A cylindrical foundation and offshore wind power technology, which is applied in basic structure engineering, construction, etc., can solve the problems of small scope of application, single composite cylindrical foundation structure, complex concrete prefabrication, etc., and achieves the effect of reducing construction difficulty.

Pending Publication Date: 2018-03-06
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art, solve the problems in the prior art that the composite tubular foundation structure has a single form, the scope of application is small, and the concrete prefabrication is complicated, etc., and provide a composite tubular foundation for offshore wind power

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] Such as figure 1 and figure 2 As shown, a new offshore wind power composite cylindrical foundation is composed of an upper force transmission transition section and a lower cylindrical structure. The upper force transmission transition section is composed of an upright steel pipe 1 and a diagonally braced steel pipe 2; the diagonally braced steel pipe 2 is evenly arranged around the upright steel pipe 1. 2 Use a steel pipe with a thickness of 2cm and a diameter of 1.5m. 6 diagonally braced steel pipes 2 are evenly distributed around the upright steel pipe 1. The upper support point of the diagonally braced steel pipe is 8m away from the bottom, and the lower support point is arranged on the I-beam. The supporting steel plate 9 adopts a 2cm thick steel plate. The tube structure is composed of tube skirt 7, tube roof 6, subdivision plate 8, I-beam main girder ...

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Abstract

The invention discloses an offshore wind power combined barrel-shaped base. The offshore wind power combined barrel-shaped base comprises an upper force transmission transition section and a lower barrel-shaped structure; the upper force transmission transition section consists of a vertical steel pipe and inclined strut steel pipes; the barrel-shaped structure comprises a barrel skirt-board, a barrel top cover, bin dividing plates, I-steel beams, I-steel beam rings, a concrete top cover, support steel plates and reinforcement ribs; the semi-closed barrel-shaped structure with a downward opening is formed by the barrel skirt-board and the barrel-shaped top cover; the bin dividing plates are arranged in the semi-closed barrel-shaped structure to divide the semi-closed barrel-shaped structure into 7-15 separate semi-closed bins with downward openings; the 6-12 I-steel beams are radially and uniformly arranged on the barrel top cover, and the 3-6 ring beams are annularly arranged on the barrel top cover; the I-steel beams, the I-steel ring beams and the support steel plates are separately provided with reinforcement ribs; and the concrete top cover is arranged on the barrel top cover.By adopting the offshore wind power combined barrel-shaped base, the problems of a combined barrel-shaped base in the prior art that the structural mode is single; the application range is small; concrete prefabrication is complicated; and the like are solved.

Description

technical field [0001] The invention relates to offshore wind power facilities, in particular to an offshore wind power composite cylindrical foundation made of steel and concrete materials. Background technique [0002] In recent years, with the increasingly prominent issues of global energy supply, energy security and ecological environment, wind power has developed rapidly as a renewable energy source. my country's offshore wind energy reserves account for 75% of the total wind energy, so offshore wind power, as a key development project, has been able to develop rapidly. One of the significant differences between offshore wind power development and onshore wind power development is that its foundation is completely different. The foundation of offshore wind turbines is in an environment where wind, waves, currents and ice interact, and offshore wind turbines must be equipped with units with a large single-unit capacity to reduce costs. Therefore, the design of offshore ...

Claims

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Application Information

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IPC IPC(8): E02D27/42
CPCE02D27/425
Inventor 王海军张凡练继建
Owner TIANJIN UNIV
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