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A concrete bridge protective structure layer with heat insulation and cooling function and its construction method

A technology of heat insulation, cooling and heat insulation layer, applied in bridges, bridge parts, bridge construction and other directions, can solve the problems of narrow application scope, unfavorable promotion, no public painting pre-treatment and post-maintenance methods, etc., to achieve crack resistance. Excellent performance, simple construction process and good adhesion

Active Publication Date: 2020-12-11
云南交通运输职业学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The patent is an invention and creation aimed at the spraying of the bridge wall and the construction process, and does not involve other positions of the bridge and heat insulation treatment, and the patent document does not disclose the pre-treatment and post-maintenance methods of painting, and the scope of application is narrow, which is unfavorable. and promotion

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  • A concrete bridge protective structure layer with heat insulation and cooling function and its construction method

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specific Embodiment 1

[0027] A concrete bridge protection structure layer with heat insulation and cooling function, which includes a bonding layer, a heat insulating layer and a heat reflecting layer; the thickness of the bonding layer is 0.2mm, the thickness of the heat insulating layer is 0.8mm, and the thickness of the heat reflecting layer is 0.6mm mm.

[0028] The bonding layer is sprayed on the bridge concrete surface, and the material of the bonding layer is a modified epoxy resin and a curing agent; the mass ratio of the modified epoxy resin to the curing agent is 10:1, and the curing agent It is a modified polyamide, the amine value of the modified polyamide is 650mg KOH / g, and the viscosity is 11cP at 25°C;

[0029] The heat insulation layer is arranged between the adhesive layer and the heat reflection layer, and the material of the heat insulation layer is modified epoxy resin, putty powder, heat insulation material, and the modified epoxy resin, putty powder, insulation material The ...

specific Embodiment 2

[0033] A concrete bridge protective structure layer with heat insulation and cooling function, which includes a bonding layer, a heat insulating layer and a heat reflecting layer; the thickness of the bonding layer is 0.5mm, the thickness of the heat insulating layer is 1.2mm, and the thickness of the heat reflecting layer is 1mm .

[0034] The bonding layer is sprayed on the bridge concrete surface, and the material of the bonding layer is a modified epoxy resin and a curing agent; the mass ratio of the modified epoxy resin to the curing agent is 5:1, and the curing agent It is a modified polyamide, the amine value of the modified polyamide is 650mg KOH / g, and the viscosity is 9cP at 25°C;

[0035] The heat insulation layer is arranged between the adhesive layer and the heat reflection layer, and the material of the heat insulation layer is modified epoxy resin, putty powder, heat insulation material, and the modified epoxy resin, putty powder, insulation material The mass r...

specific Embodiment 3

[0039] A concrete bridge protective structure layer with heat insulation and cooling function, which includes a bonding layer, a heat insulating layer and a heat reflecting layer; the thickness of the bonding layer is 0.3mm, the thickness of the heat insulating layer is 1mm, and the thickness of the heat reflecting layer is 0.8mm .

[0040] The bonding layer is sprayed on the bridge concrete surface, and the material of the bonding layer is a modified epoxy resin and a curing agent; the mass ratio of the modified epoxy resin to the curing agent is 8:1, and the curing agent It is a modified polyamide, the amine value of the modified polyamide is 650mg KOH / g, and the viscosity is 10cP at 25°C;

[0041] The heat insulation layer is arranged between the adhesive layer and the heat reflection layer, and the material of the heat insulation layer is modified epoxy resin, putty powder, heat insulation material, and the modified epoxy resin, putty powder, insulation material The mass ...

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Abstract

The invention discloses a concrete bridge protection structure layer with heat insulation and cooling functions. The concrete bridge protection structure layer comprises a bonding layer, a heat insulation layer and a hot reflection layer; a construction method of the concrete bridge protection structure layer comprises the steps that 1, a coating area of a to-be-coated bridge is ground and completely swept; 2, the edge of the coating area of the bridge is pasted through adhesive tape and subjected to edge sealing; 3, a rolling brush is used for coating the coating area with a heat insulation coating; 4, after the heat insulation coating is hardened, a detector is used for detecting the evenness of the heat insulation coating, and the thin part is subjected to secondary coating; 5, the coating area is swept. The coating has the functions of heat insulation and water prevention and is good in bonding performance, excellent in crack resistance and simple in construction technology.

Description

technical field [0001] The invention relates to the field of bridge construction, in particular to a concrete bridge protective structure layer with heat insulation and cooling functions and a construction method thereof. Background technique [0002] Bridges are one of the most important pieces of infrastructure. The corrosion environment of the bridge is different, and the corrosion and anti-corrosion coating have their own characteristics compared with other facilities. According to the corrosion environment and corrosion characteristics of the bridge, it is necessary to use various coatings for bridge anti-corrosion. Bridge anti-corrosion requires not only the design of painting, bottom surface treatment, construction, but also the stay cables, suspension cables, and bridge concrete structures. Brushing, and finally, maintenance is required, and maintenance involves the detection, evaluation, and maintenance of brushing. [0003] In terms of anti-corrosion treatment of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/00E01D21/00C09J163/00C09D163/00C09D7/61C09D1/00C09D5/33
CPCC09D1/00C09D5/004C09D163/00C09J163/00C09D7/61C09D7/70E01D19/00E01D21/00C08K7/28C08K3/34C08K3/346
Inventor 杨坚强程承严周杨澍桔黄桥杨晓霞
Owner 云南交通运输职业学院