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Rod member and method for producing the same

A technology for rods and reinforcements, applied in building components, building reinforcements, pipes/pipe joints/pipes, etc., can solve the problems of difficult transfer, easy corrosion of rods, and heavy reinforced concrete.

Inactive Publication Date: 2007-02-21
REFORM SYST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as mentioned above, the problem with reinforced concrete is that the poles can be easily corroded
Also, since reinforced concrete is heavy, it is difficult to transfer
Specifically, when the structure is supposed to be built in water or in a wet area, the strength of the structure weakens rapidly because the rods are prone to rust

Method used

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  • Rod member and method for producing the same
  • Rod member and method for producing the same
  • Rod member and method for producing the same

Examples

Experimental program
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Effect test

Embodiment

[0057] Rod-shaped aramid fibers are first prepared. A polyvinyl ester resin is formed on the outer periphery of the aramid fiber, thereby defining the rod. Here, the aramid fiber is 70 wt % with respect to the total weight of the rod, and the polyvinyl ester resin is 30 wt % with respect to the total weight of the rod.

[0058] The diameter of the rod made of aramid fiber and polyvinyl ester resin is about 9 mm.

[0059] Garnets each having a size of 300-800 μm were sprayed through the first and second spraying processes in a state where the polyvinyl ester resin was kept at a temperature of 60-80°C. The amount of garnet sprayed during the first spraying process was about 15 g / m, and the amount of garnet sprayed during the second spraying process was about 25 g / m.

[0060] Here, the pressure of the first injection process is about 1.02 N / mm 2 , while the pressure of the second injection process is about 1.02-5N / mm 2 .

[0061] Figure 4 The state of use of the rod accord...

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Abstract

A rod member includes a rod-shaped reinforcing layer formed of a fiber, a resin layer formed on an outer circumference of the reinforcing layer, and a garnet layer formed in / on the resin layer.

Description

technical field [0001] The present invention relates to a rod and a production method thereof, and more particularly to a rod capable of improving bonding strength of the rod to cement mortar by forming garnet on the outer periphery of the rod and manufacturing the rod using fibers and resins and a production method thereof. Background technique [0002] Reinforced concrete structures or concrete structures can easily be damaged through delamination, cracking, etc., thereby causing the building to collapse due to compression / tensile strength deterioration. [0003] As for the concrete having a pH of about 12.5, this is designed to prevent corrosion of the reinforcing rods. [0004] However, alkaline reactions are caused by carbon dioxide gas, acidic substances and chlorine that can penetrate into reinforced concrete structures or aggregates. This can rust on the reinforcement rods. Additionally, reinforced concrete structures can be affected by weather conditions. That is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C5/07E04C5/01
CPCE04C5/07Y10T428/2938E03F3/04F16L9/128
Inventor 李相根
Owner REFORM SYST
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