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Method for reinforcing epoxy coating used on building surfaces

An epoxy-based and building technology, applied in epoxy resin coatings, building structures, construction, etc., can solve problems such as complex procedures, difficulty in obtaining satisfactory reinforcement effects, labor and time-consuming, etc., and achieve simple manufacturing process, Low cost, good reinforcement effect

Active Publication Date: 2014-01-08
GEOTECHN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing building reinforcement method is to paste carbon fiber cloth or paste steel plate on the surface of the building to play the role of structural reinforcement and seismic reinforcement; these methods are complicated in process, labor-intensive and time-consuming, and it is difficult to obtain a satisfactory reinforcement effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Mix epoxy structural glue, quartz sand, and carbon fiber in a ratio of 5:1.5:2 evenly (the length of carbon fiber is 3mm, and the particle size of quartz sand is 2mm), and paint it on a concrete wall several times; the thickness of each brushing is 0.3 -0.4mm, the interval between each painting is 2 hours, and the next painting will be done after drying until the thickness is 2mm. After testing, the tensile strength is 3250Mpa.

Embodiment 2

[0019] Mix epoxy structural adhesive, quartz sand, and carbon fiber in a ratio of 5: 2.5: 4 evenly (the length of carbon fiber is 12mm, and the particle size of quartz sand is 6mm), and paint it on a concrete wall several times; the thickness of each brushing is 0.4 -0.5mm, the interval between each brushing is 2.2 hours, and the next brushing will be done after drying until the thickness is 3mm.

[0020] After testing, the tensile strength is 3415Mpa.

Embodiment 3

[0022] Mix epoxy structural glue, quartz sand and carbon fiber in a ratio of 5:2:3 evenly (the length of carbon fiber is 20mm, and the particle size of quartz sand is 10mm), and paint it on a concrete wall several times; the thickness of each painting is 0.5 -0.6mm, the interval between each painting is 2.5 hours, and the next painting will be done after drying until the thickness is 5mm.

[0023] After testing, the tensile strength is 3625Mpa.

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PUM

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Abstract

The invention relates to a method for reinforcing an epoxy coating used on the building surfaces, and aims to provide a reinforcing method which has a good reinforcement effect, high reinforcement quality, and is simple and convenient to construct and is low in cost. The technical scheme is that the method comprises the following steps of: 1) coating preparation: blending an epoxy structural adhesive, quartz sand and carbon fiber evenly, wherein the ratio of epoxy structural adhesive, quartz sand to carbon fiber is 5: (1.5-2.5): (2-4); and 2) painting: painting the prepared epoxy painting on the building surface needing to be reinforced in several times, wherein the thickness of painting at each time is 0.3-0.5mm, painting the second layer of coating after drying, and successively accumulating until the total painting thickness is more than 2mm, wherein the carbon fiber is a short carbon fiber, and the length is 3-20mm, and the grain size of quartz sand is 2-10mm.

Description

technical field [0001] The invention relates to a building construction method, in particular to a building reinforcement method. Background technique [0002] Bridges, houses and other buildings will be damaged due to various reasons such as natural settlement and external impact during use, and they need to be reinforced in time. The existing building reinforcement method is to paste carbon fiber cloth or paste steel plate on the surface of the building to play the role of structural reinforcement and seismic reinforcement; these methods are complicated in process, labor-intensive and time-consuming, and it is difficult to obtain a satisfactory reinforcement effect . Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned background technology and provide an improvement of a building reinforcement method. The reinforcement method should have the characteristics of good reinforcement effect and high r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02E01D22/00E04F13/02C09D163/00C09D7/12
Inventor 潘金龙
Owner GEOTECHN TECH