Basalt fiber reinforced concrete composite stand column for ocean environment

A technology of basalt fiber and concrete columns, applied in the direction of columns, pier columns, pillars, etc., can solve the problems of wind turbine instability, collapse, loss, etc., and achieve the effects of large bearing capacity, mitigation of vortex-induced vibration, and high rigidity

Inactive Publication Date: 2017-11-17
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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  • Basalt fiber reinforced concrete composite stand column for ocean environment
  • Basalt fiber reinforced concrete composite stand column for ocean environment
  • Basalt fiber reinforced concrete composite stand column for ocean environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 and 2 Shown, a kind of basalt fiber 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 basalt fiber pipe 2 and a basalt fiber reinforcement 3;

[0025] The core concrete column 1 is filled and adapted in the basalt fiber tube 2, so that the core concrete column 1 is effectively restrained by the basalt fiber tube 2, and the bearing capacity and deformation capacity of the core concrete column 1 are improved, and at the same time, the basalt fiber tube 2 is surrounded by the core concrete column. 1 support, prevent the basalt fiber tube 2 from concave yield damage, and improve the stable bearing capacity of the basalt fiber tube 2;

[0026] The basalt fiber reinforcement 3 is spirally wrapped around the outer wall of the basalt fiber tube 2 to effectively alleviate the vortex-induced vibration in the marine environment. At the same tim...

Embodiment 2

[0032] Such as image 3 and 4 Shown, a kind of basalt fiber 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 basalt fiber pipe 2 and a basalt fiber reinforcement 3;

[0033] The core concrete column 1 is filled and adapted in the basalt fiber tube 2, so that the core steel concrete column 1 is effectively restrained by the basalt fiber tube 2, the bearing capacity and deformation capacity of the core steel concrete column 1 are improved, and the basalt fiber tube 2 is covered by the core The steel concrete column 1 is supported to prevent the concave yield damage of the basalt fiber pipe 2, and improve the stable bearing capacity of the basalt fiber pipe 2;

[0034] The basalt fiber reinforcement 3 is spirally wrapped around the outer wall of the basalt fiber tube 2 to effectively alleviate the vortex-induced vibration in the marine environment. At the sam...

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PUM

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Abstract

The invention discloses a basalt fiber reinforced concrete composite stand column for an ocean environment. The basalt fiber reinforced concrete composite stand column for the ocean environment comprises a core concrete column, a basalt fiber tube and a basalt fiber rib. Compared with a component of an existing offshore wind turbine supporting structure, the basalt fiber reinforced concrete composite stand column for the ocean environment can relieve vortex-induced vibration in ocean effectively and has the advantages of being economical and capable of resisting corrosion.

Description

technical field [0001] The invention belongs to offshore wind power generation equipment technology Liang Yu, in particular to a basalt fiber 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 periodic action of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/34B28B21/04B28B11/24
CPCE04C3/34B28B11/245B28B21/04
Inventor 陈林聪钱佳敏
Owner HUAQIAO UNIVERSITY
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