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A kind of frp bar with reserved bending point and its manufacturing method

A manufacturing method and bending point technology, applied in construction, building reinforcements, building components, etc., can solve problems such as corrosion durability of steel elbows, and achieve the effect of solving corrosion problems and accurate test results

Active Publication Date: 2022-04-12
CHANGAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings, provide a kind of FRP bar with reserved bending point and its manufacturing method, and solve the durability problem caused by the corrosion of the steel elbow at the bend of the FRP bar

Method used

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  • A kind of frp bar with reserved bending point and its manufacturing method
  • A kind of frp bar with reserved bending point and its manufacturing method
  • A kind of frp bar with reserved bending point and its manufacturing method

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] see Figure 1 to Figure 10 , an FRP bar with reserved bending points, including a corrugated tube 1, the two ends of the corrugated tube 1 are fixed on the curing section 6, a zipper structure 2 is arranged on the axial surface of the corrugated tube 1 along the axial direction, and the zipper structure 2 Concave-convex buttons 13 are arranged on the top, and a porous ring 5 is arranged in the bellows 1, and the porous ring 5 is fixed on the slider 7. A plurality of carbon fiber tubes 3 are arranged in the bellows 1 along the axial direction, and the spaces between the carbon fiber tubes 3 are filled with Fiber 14, carbon fiber tube 3 is filled with curing agent 4, the inner wall of bellows 1 is coated with epoxy resin, and the inside of bellows 1 is filled with epoxy resin after sealing. The concave-convex buckle 13 is provided with a slider 7 . The bellows 1...

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Abstract

The invention discloses an FRP bar with a reserved bending point and a manufacturing method. The invention adopts a corrugated tube and reinforces the inside of the corrugated tube, which solves the problem that the existing FRP bar cannot be bent, and at the same time solves the problem that the FRP bar cannot be bent. The durability problem caused by the corrosion of the steel elbow at the bend, and the uniform material can be used to better exert the strength of the FRP composite material, so that the simulated results are closer to the experimental results, making the test results more accurate.

Description

technical field [0001] The invention belongs to the field of FRP reinforcements, and in particular relates to an FRP reinforcement with reserved bending points and a manufacturing method. Background technique [0002] FRP bar is a kind of fiber reinforced plastic bar made of continuous fiber through pultrusion process and synthetic resin base according to a certain proportion. FRP bars have excellent properties such as high tensile strength, good corrosion resistance, light weight, excellent fatigue resistance, and good electromagnetic insulation, and are widely used in civil engineering and water conservancy projects, especially in coastal areas, port projects, large-span It is more widely used in bridge engineering and reinforcement engineering. [0003] FRP steel bar is a new type of composite material. Using it to replace steel bars in concrete structures can solve the durability problem caused by steel bar corrosion. However, FRP bars cannot be bent like ordinary stee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C5/07
CPCE04C5/07
Inventor 王步郭浩楠
Owner CHANGAN UNIV
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