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Pavement net-shaped crack and fracturing crack welding material and construction method thereof

A construction method and technology for pavement cracks, applied in the direction of roads, roads, road repair, etc., can solve the problems of inability to fill small cracks, cracks are prone to repeated cracking, etc., and achieve the effects of enhanced toughness, stable joint structure, and wide construction conditions.

Inactive Publication Date: 2017-05-24
河南润金科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a welding material for pavement network cracks, cracks and cracks and its construction method, which solves the problem that the existing technology cannot fill small cracks, and the repaired cracks are easy to crack repeatedly due to thermal expansion and contraction due to the influence of temperature

Method used

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  • Pavement net-shaped crack and fracturing crack welding material and construction method thereof

Examples

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Effect test

Embodiment 1

[0028] The present embodiment provides a kind of welding material for pavement network cracks and cracks, including 70 parts of sand and gravel materials, 8 parts of polymer materials, 10 parts of dispersible latex powder, 3 parts of additives and 1 part of foaming agent by weight. Wherein, the polymer material is methyl methacrylate; the dispersible latex powder is a copolymer of ethylene / vinyl acetate; the additive is butyl acrylate, xylylenediamine and ethylenediamine; the blowing agent is calcium carbonate and magnesium carbonate.

[0029] Preferably, it includes 70-80 parts by weight of sand and gravel material, 8-12 parts of polymer material, 10-15 parts of dispersible latex powder, 3-6 parts of additive and 1-3 parts of foaming agent.

Embodiment 2

[0031] This embodiment provides a construction method for the welding material of cracks and cracks on the pavement described in Example 1, including pretreatment, preparation, welding and detection of the welding material, wherein

[0032] Pretreatment: Clean up the dust and debris on the surface of the cracks on the road surface, and select the material diameter of the sand and gravel materials within the range of 0-0.5 mm according to the width and depth of the cracks;

[0033] Preparation of solder: uniformly mix sand and gravel materials, polymer materials, dispersible latex powder and additives to obtain mixture A, add foaming agent to mixture A and mix uniformly to obtain mixture B;

[0034] Welding: Fill the mixture B evenly at the bottom of the road surface cracks, and fill the mixture A above the mixture B. The thickness of the mixture A is 5 mm, and the upper surface of the mixture A is flush with the road surface; during the filling process, the distance between the...

Embodiment 3

[0037] The present embodiment provides a kind of welding material for pavement network cracks and cracks, comprising 85 parts by weight of gravel materials, 15 parts of polymer materials, 15 parts of dispersible latex powder, 8 parts of additives and 5 parts of foaming agent, Wherein, the polymer material is polyurethane, liquid resin and methyl methacrylate; the dispersible latex powder is vinyl acetate / ethylene tertiary carbonate copolymer and acrylic acid copolymer; the additive is polyacrylic acid; and the foaming agent is sodium bicarbonate.

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Abstract

The invention discloses a pavement net-shaped crack and fracturing crack welding material, which is prepared from the following ingredients in parts by weight: 70-85 parts of sand and gravel, 8-15 parts of a high molecular material, 10-15 parts of dispersible emulsion powder, 3-8 parts of an additive and 1-5 parts of a foaming agent. On the other hand, the invention further discloses a construction method of the pavement net-shaped crack and fracturing crack welding material. The construction method comprises the following steps: pretreatment, preparation of the welding material, welding and detection, wherein preparation of the welding material comprises the following specific steps: uniformly mixing the sand and gravel, the high molecular material, the dispersible emulsion powder and the additive so as to obtain a mixture A, and adding the foaming agent into the mixture A so as to obtain a mixture B. Welding comprises the following specific steps: uniformly filling bottoms of pavement cracks with the mixture B, and filling the upper side of the mixture B with the mixture A, wherein the upper surface of the mixture A is flush with a pavement. During a use process of the welding material, the mixture B is sealed at the bottoms of the cracks; under the effect of the foaming agent, the mixture B continuously expands with low possibility of expanding upward, so that the mixture B penetrates into tiny cracks in the cracks, and crack welding is relatively firm.

Description

technical field [0001] The invention relates to the technical field of road engineering, in particular to a welding material for pavement network cracks, cracks and cracks and a construction method thereof. Background technique [0002] With the development of the economy, the impact of traffic conditions on people is increasing. Whether it is a highway or an ordinary road, it will be damaged after a period of use. Most of the existing technologies use potting glue, but due to the permeability and expansion of the potting glue Some small cracks cannot be repaired, and the repaired cracks are easy to crack again due to thermal expansion and contraction or other reasons. Repeated repairs not only affect people's travel but also waste manpower and material resources. Contents of the invention [0003] The purpose of the present invention is to provide a pavement network crack, crack crack welding material and its construction method, to solve the problem that the prior art ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/06C04B26/16E01C23/09
CPCC04B26/06C04B26/16C04B2201/20C04B2201/50E01C23/0966C04B14/06C04B24/2623C04B24/045C04B24/121C04B22/10C04B24/24C04B24/2641
Inventor 张海龙
Owner 河南润金科技有限公司
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