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A high-durability concrete structural component and its manufacturing method

A concrete structure and durable technology, which is applied in the direction of load-bearing elongated structural components, structural elements, building components, etc., can solve the problems of brittle failure of concrete structural components, avoid significant degradation of strength, save waste materials, easy to bend effect

Inactive Publication Date: 2016-08-17
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-durability concrete structural component and its manufacturing method, to solve the problems of steel bar corrosion and brittle failure of concrete structural components with fiber composite reinforcing material bars faced by existing reinforced concrete structures under corrosive environments

Method used

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  • A high-durability concrete structural component and its manufacturing method
  • A high-durability concrete structural component and its manufacturing method
  • A high-durability concrete structural component and its manufacturing method

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Example 1: figure 1 It is a form of high-durability concrete structural member, which contains carbon fiber composite reinforcement composed of carbon fiber composite reinforced material longitudinal reinforcement 1 and carbon fiber composite reinforced material cloth 2 wound around the carbon fiber composite reinforced material longitudinal reinforcement 1 in a cross-helical manner. material cage; a lattice-type steel 3 is arranged inside the cage of carbon fiber composite reinforced material, and the web of the lattice-type steel is provided with holes 6; then, concrete 4 is used to wrap the cage of carbon fiber composite reinforced material and steel 3; The outer surface is provided with polyurea elastomer 5 .

[0031] The manufacturing method of the high durability concrete structural member of the present invention is:

[0032] a) Position the carbon fiber composite reinforced material longitudinal rib 1 according to the design requirements, and then cross-wrap th...

Embodiment 2

[0035] Example 2: image 3 It is a form of high-durability concrete structural member, which consists of alkali-resistant glass fiber composite reinforced material longitudinal reinforcement 1 and alkali-resistant glass fiber composite reinforced material longitudinal reinforcement 1 wound in a cross-helical manner. An alkali-resistant glass fiber composite reinforcing material cage composed of glass fiber composite reinforcing material cloth 2; box-shaped steel 3 is arranged inside the alkali-resistant glass fiber composite reinforcing material cage, and then concrete 4 is used to wrap the alkali-resistant glass fiber composite reinforcing material Cage and box-shaped steel 3; polyurea elastomer 5 is provided on the outer surface of the concrete 4 wrapping layer.

[0036] The manufacturing method of the high durability concrete structural member of the present invention is:

[0037] a) Position the alkali-resistant glass fiber composite reinforced material longitudinal rib 1...

Embodiment 3

[0040] Example 3: Figure 5 It is a form of high-durability concrete structural member, which contains fibers composed of carbon fiber composite reinforced material longitudinal reinforcement 1 and basalt fiber composite reinforced material cloth 2 wound in a unidirectional helical manner on the periphery of carbon fiber composite reinforced material longitudinal reinforcement 1 Composite reinforced material cage; a round steel pipe 3 is arranged inside the fiber composite reinforced material cage, and then the fiber composite reinforced material cage and the round steel pipe 3 are wrapped with concrete 4; polyurea elastomer 5 is arranged on the outer surface of the concrete 4 wrapping layer.

[0041] The manufacturing method of the high durability concrete structural member of the present invention is:

[0042] a) Position the carbon fiber composite reinforced material longitudinal reinforcement 1 according to the design requirements, and then cross-wind the basalt fiber comp...

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Abstract

The invention provides a high-durability concrete structural element and a manufacture method thereof, and belongs to concrete elements and the manufacture method thereof. The element comprises fiber reinforced composite longitudinal bars, fiber reinforced composite cloth, structural steel, concrete and polyurea elastomer, wherein the fiber reinforced composite cloth winds the periphery of the fiber reinforced composite longitudinal bars to form a fiber reinforced composite cage, and the structural steel is arranged inside the fiber reinforced composite cage; the concrete is adopted to coat the fiber reinforced composite cage and the structural steel; the polyurea elastomer is arranged on the outer surface of the concrete coating layer. The fiber reinforced composite is adopted to replace reinforcing steel bars, and the polyurea elastomer coats the surface of the structural element to improve the durability of the structural element, and the structural steel is put inside the concrete to improve the ductility of the structural element, so that high-durability of the element can be achieved on the premise of guaranteeing the ductility of the element. The high-durability concrete structural element has the advantages of high durability, high ductility and excellent economy and processing process, and can be used for sufficiently exerting the mechanical performance of materials.

Description

technical field [0001] The invention relates to a concrete component and a manufacturing method thereof, in particular to a high-durability concrete structural component and a manufacturing method thereof. Background technique [0002] How to effectively prevent the corrosion of steel bars is a major problem faced by reinforced concrete structures in corrosive environments (such as coal industry environments and marine environments). Corrosion of steel bars has become the most important disaster leading to insufficient durability and premature failure of reinforced concrete buildings around the world. Over the years, accidents caused by poor durability of coastal buildings have occurred frequently, and the resulting economic losses and reinforcement treatment costs have continued to increase. At present, a large number of reinforced concrete structures have many incidents caused by concrete cracking caused by steel corrosion and protective layer falling off, making their se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C3/00E01D19/00E01D101/00B28B23/02
Inventor 李贤匡小波张云霞张鹏李新章
Owner CHINA UNIV OF MINING & TECH