Road reflection crack welding material and construction process thereof

A technology that reflects cracks and construction techniques. It is applied in the direction of roads, roads, and pavement details. It can solve problems such as cracks that are easy to crack again, have large property differences, and cannot solve structural damage. It achieves strong permeability and expansion. High consistency of expansion and contraction, saving manpower and financial resources

A technology that reflects cracks and construction techniques. It is applied in the direction of roads, roads, and pavement details. It can solve problems such as cracks that are easy to crack again, have large property differences, and cannot solve structural damage. It achieves strong permeability and expansion. High consistency of expansion and contraction, saving manpower and financial resources

CN102704367AActive Publication Date: 2012-10-03河南万里交通科技集团股份有限公司
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  • Road reflection crack welding material and construction process thereof
  • Road reflection crack welding material and construction process thereof
  • Road reflection crack welding material and construction process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A pavement reflective crack welding material is made of 84kg of aggregate, 12.5kg of polymer material and 3.5kg of additives.

[0033] The aggregate is sand and gravel with a material diameter of 0-0.5 mm or 0.5-3 mm.

[0034] The polymer material described is one-component polyurethane.

[0035] The additive is one or a combination of butyl acrylate, xylylenediamine, ethylenediamine and polyacrylic acid.

[0036] The construction technology of described pavement reflective crack welding material, this construction technology comprises the following steps:

[0037] Step 1. Detection: Use ground penetrating radar to detect the position, depth, and width of cracks in the asphalt pavement, and record them;

[0038] Step 2, material selection: determine the material diameter of the aggregate to be used according to the width of the crack detected in step 1, wherein if the crack width is greater than 5 mm, the pavement reflection crack welding material prepared by using ag...

Embodiment 2

[0047] A pavement reflective crack welding material is made of 85kg of aggregate, 11kg of polymer material and 4kg of additives.

[0048] The aggregate is sand and gravel with a diameter of 0-0.5 mm or 0.5-3 mm.

[0049] The polymer material described is two-component polyurethane.

[0050] The additive is one or a combination of butyl acrylate, xylylenediamine, ethylenediamine and polyacrylic acid.

[0051] The construction technology of described pavement reflective crack welding material, this construction technology comprises the following steps:

[0052] Step 1. Detection: Use ground penetrating radar to detect the position, depth, and width of cracks in the asphalt pavement, and record them;

[0053]Step 2, material selection: determine the material diameter of the aggregate to be used according to the width of the crack detected in step 1, wherein if the crack width is greater than 5 mm, the pavement reflection crack welding material prepared by using aggregate with a...

Embodiment 3

[0062] A pavement reflective crack welding material is made of 83kg of aggregate, 14kg of polymer material and 3kg of additives.

[0063] The aggregate is sand and gravel with a diameter of 0-0.5 mm or 0.5-3 mm.

[0064] The polymer material is liquid resin.

[0065] The additive is one or a combination of butyl acrylate, xylylenediamine, ethylenediamine and polyacrylic acid.

[0066] The construction technology of described pavement reflective crack welding material, this construction technology comprises the following steps:

[0067] Step 1. Detection: Use ground penetrating radar to detect the position, depth, and width of cracks in the asphalt pavement, and record them;

[0068] Step 2, material selection: determine the material diameter of the aggregate to be used according to the width of the crack detected in step 1, wherein if the crack width is greater than 5 mm, the pavement reflection crack welding material prepared by using aggregate with a material diameter of 0...

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Abstract

The invention belongs to the technical field of road engineering, and particularly relates to a road reflection crack welding material and a construction process thereof. The road reflection crack welding material is prepared by the following components in weight percentage: 80-85% of aggregate, 10-15% of high polymer material and 3-5% of additive; and road reflection cracks are repaired by such processes as detecting, sorting, cleaning, punching, welding and testing. The road reflection crack welding material uses the high polymer material as adhesive so as to be effectively combined with an asphalt surface layer and a base layer to form a whole, so that the cracks can be repaired and a structural damage problem generated from the cracks can be solved; and the construction is carried out under normal temperature without heating, and not affected by the season, air temperature and environment, so that the cracks can be repaired from bottom to top. The road reflection crack welding material has low production cost, a simple proportioning and construction process and extensive construction conditions, and is firm and wearable, and can be combined with the road surface to form the whole.

Description

technical field [0001] The invention belongs to the technical field of road engineering, and in particular relates to a pavement reflective crack welding material with low production cost, simple proportioning and construction process, wide construction conditions, firmness and durability, which can be integrated with the road surface and its construction process. Background technique [0002] Due to long-term use and damage to the natural environment, ordinary roads and expressways will suffer from varying degrees of damage after a period of use, such as invisible cracks on the pavement base, reflective cracks on the pavement, network cracks on the pavement, cracks, etc., among which the pavement Reflective cracks run through the asphalt surface and base course of the pavement. Most of the ordinary roads and highway bases in my country are semi-rigid bases, and reflection cracks dominate, and reflection cracks are cracks that develop from bottom to top, such as figure 1 sh...

Claims

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Application Information

Patent Timeline
03 Oct 2012
Publication
CN102704367A
IPC
E01C11/02
Inventors
张红春; 付建红