Steel bridge floor pavement structure containing polyurethane modified polymers

A polyurethane modification and steel bridge deck technology, which is applied to the coagulation pavement, bridges, bridge parts and other directions laid on site to achieve the effect of low construction environment requirements, good deformation ability and high strength

Inactive Publication Date: 2015-03-11
ANHUI TRANSPORTATION INVESTMENT GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the deficiencies in the existing asphalt mixture steel bridge deck pavement structure, the present invention provides a polyurethane modified polymer steel bridge deck pavement structure

Method used

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  • Steel bridge floor pavement structure containing polyurethane modified polymers

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Embodiment Construction

[0019] see figure 1 , one A polyurethane modified polymer steel bridge deck pavement structure comprises a steel bridge deck 1, an intermediate layer 3 is laid on the steel bridge deck 1 through an adhesive layer 2, and a wearing layer 4 is laid on the intermediate layer 3.

[0020] The material of the bonding layer 2 is two-component polyurethane modified resin special glue, and the thickness of the bonding layer 2 is 1-2mm; the material of the middle layer 3 is two-component high thixotropic polyurethane modified polymer gravel, The thickness of the middle layer 3 is 6-7 mm; the material of the wearing layer 4 is two-component polyurethane modified polymer gravel, and the thickness of the wearing layer 4 is 2-3 mm.

[0021] The materials of the bonding layer 2, the intermediate layer 3 and the wearing layer 4 are all cured at room temperature.

[0022] Concrete construction steps of the present invention are as follows:

[0023] (1) The surface of the steel bridge deck 1...

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Abstract

The invention discloses a steel bridge floor pavement structure containing polyurethane modified polymers. The steel bridge floor pavement structure comprises a steel bridge floor, wherein an interlayer is laid on the steel bridge floor through a bonding layer; a wearing layer is laid on the interlayer; the bonding layer is made of special glue for bi-component polyurethane modified resin, and is 1-2 mm thick; the interlayer is made of bi-component high-thixotropic polyurethane modified polymer gravel, and is 6-7 mm thick; the wearing layer is made of bi-component polyurethane modified polymer gravel, and is 2-3 mm thick; the materials of the bonding layer, the interlayer and the wearing layer are all solidified at normal temperature.

Description

technical field [0001] The invention belongs to the technical field of bridge deck pavement structures, in particular to a polyurethane modified polymer steel bridge deck pavement structure. Background technique [0002] At present, there are three types of steel bridge deck pavement schemes in the world: (1) Asphalt mixture: Pavement made of asphalt mastic macadam (SMA), cast asphalt concrete (GA) and epoxy asphalt concrete (EA) ; (2) Cement concrete: paved by high performance concrete (HPC) and polymer modified concrete (LMC); (3) Paved with high molecular polymers. [0003] The mechanical characteristics of the steel bridge deck pavement are: (1) the presence of longitudinal stiffeners and diaphragms makes the top of the pavement under the load to locally bear a relatively large negative bending moment; (2) the long-span steel box girder The deformation, displacement, vibration, and torsion of the bridge itself are large; (3) Seasonal temperature changes will have a seri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/32E01C7/30
CPCE01D19/083
Inventor 杨晓光胡可郑建中左敦礼张尤平桂永全于春江唐军朱玉王亮潘家升杨牧盘王文刚马乙一曹浩杨新苏陈维平
Owner ANHUI TRANSPORTATION INVESTMENT GRP
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