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Stainless-steel-concrete composite column used in marine environment

A concrete column, marine environment technology, applied in the installation/support of wind turbine configuration, wind power generation and other directions, can solve problems such as collapse, wind turbine instability, loss, etc., to achieve large bearing capacity, good seismic performance, high stiffness. Effect

Inactive Publication Date: 2017-11-10
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the water depth increases, the problem of vortex-induced vibration of the structure becomes more serious. Serious cases can lead to wind turbine instability and collapse, causing heavy losses

Method used

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  • Stainless-steel-concrete composite column used in marine environment
  • Stainless-steel-concrete composite column used in marine environment
  • Stainless-steel-concrete composite column used in marine environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 and 2 Shown, a kind of stainless steel concrete composite column that is used for marine environment, comprises a core concrete column 1 (the shape of cross section is preferably circular, oval or polygonal), a stainless steel tube 2 and a stainless steel sheet 3;

[0027] The core concrete column 1 is filled and adapted in the stainless steel tube 2, so that the core concrete column 1 is effectively restrained by the stainless steel tube 2, the bearing capacity and deformation capacity of the core concrete column 1 are improved, and the stainless steel tube 2 is supported by the core concrete column 1, Prevent the concave yield damage of the stainless steel pipe 2, improve the stable bearing capacity of the stainless steel pipe 2, and the stainless steel model is 304;

[0028] The stainless steel sheet 3 wraps around the outer wall of the stainless steel pipe 2 in a 45-degree spiral shape to effectively alleviate the vortex-induced vibration in the ma...

Embodiment 2

[0035] Such as image 3 and 4 Shown, a kind of stainless steel concrete composite column that is used for marine environment, comprises a core concrete column 1 (the shape of cross section is preferably circular, oval or polygonal), a stainless steel tube 2 and a stainless steel sheet 3;

[0036] The core concrete column 1 is filled and adapted in the stainless steel pipe 2, so that the core steel concrete column 1 is effectively restrained by the stainless steel pipe 2, the bearing capacity and deformation capacity of the core steel concrete column 1 are improved, and the stainless steel pipe 2 is surrounded by the core steel concrete column. 1 support, prevent the stainless steel pipe 2 from being damaged by concave yielding, and improve the stable bearing capacity of the stainless steel pipe 2;

[0037] The stainless steel sheet 3 wraps around the outer wall of the stainless steel pipe 2 in a 45-degree spiral shape to effectively alleviate the vortex-induced vibration in t...

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Abstract

The invention discloses a stainless-steel-concrete composite column used in the marine environment. The composite column comprises a core concrete column, a stainless steel tube and a stainless steel sheet. Compared with an existing offshore wind turbine supporting structure component, the composite column can effectively alleviate vortex-induced vibration in the ocean, and has the advantages of being economical and corrosion-resistant.

Description

technical field [0001] The invention belongs to offshore wind power generation equipment technology Liang Yu, and in particular relates to a stainless steel concrete composite column used in marine environments. Background technique [0002] As a clean and renewable energy, wind energy is getting more and more attention from all over the world. In the past ten years, the annual growth rate of wind power installed capacity in the world has been 20%-30%, and the world wind power is developing at a rapid speed. Under the guidance of national policies, my country's offshore wind power has also been widely used and developed, and its total installed capacity ranks first in the world. At present, most offshore wind turbines are deployed in shallow waters near the coast. However, the supporting structures of most offshore wind turbines will be in the harsh marine environment for a long time, and will be subjected to complex sea, wave, current and other effects. The long-term per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D13/25
CPCF03D13/25Y02E10/72Y02E10/727
Inventor 陈林聪钱佳敏
Owner HUAQIAO UNIVERSITY
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