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Cold repairing material for asphalt road surfaces as well as preparation method and application of cold repairing material

A technology of cold patching and asphalt, which is applied in the field of emergency maintenance and daily maintenance of designed roads, and can solve problems such as difficult construction, difficult operation, and seasonal influence

Inactive Publication Date: 2015-09-23
江苏燕宁新材料科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above four repair methods are difficult to operate and are affected by seasons. For general maintenance and emergency maintenance, the construction is difficult and difficult to implement

Method used

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  • Cold repairing material for asphalt road surfaces as well as preparation method and application of cold repairing material
  • Cold repairing material for asphalt road surfaces as well as preparation method and application of cold repairing material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Get 70 parts of petroleum pitch and 20 parts of diesel oil, mix and stir to obtain the mixture, then add 3 parts of cold patching additives (pine tree extract-terpene (n=2, C10H16, α-pinene, β-pinene) to the evenly stirred mixture ene) and eucalyptus extract m-isoprene as the main component of the terpene-based macromolecular polymer), mix and stir evenly, make cold repair cement, and aggregate (meet the requirements of Table 1), according to the oil-stone ratio 4:100 for mixing, after stirring evenly, package and transport to the maintenance construction site, pour the product into the pit, and use manual leveling and tamping or car tires for compaction, rolling compaction and leveling.

Embodiment 2

[0038] Get 77 parts of petroleum pitch and 22 parts of diesel oil, mix and stir to obtain the mixture, then add 3.3 parts of cold patching additives (pine tree extract-terpene (n=2, C10H16, α-pinene, β-pinene terpene) and Populus trifoliate isoprene as the main component of the terpene-based macromolecular polymer), mixed and stirred evenly to prepare the cold patch cement, and the aggregate (in line with the requirements of Table 1), according to The oil-stone ratio is 6:100 for mixing. After stirring evenly, the product is packaged and transported to the maintenance construction site. The product is poured into the pit, and it is manually leveled and tamped or compacted by car tires, rolled and compacted and leveled.

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Abstract

The invention discloses a cold repairing material for asphalt road surfaces, as well as a preparation method and application of the cold repairing material. The cold repairing material is the mixture of a cold repairing binder and an aggregate material, wherein the mass ratio of the cold repairing binder to the aggregate material is 4-8:100. The cold repairing material for the asphalt road surfaces relies on the slow release technique of the cold repairing binder, so that the stability of asphalt can be improved, and the cold repairing material can be stored for a longer time; besides, the flexibility of the cold repairing material can be improved, so that the cold repairing material can be applicable under low-temperature weather conditions in winter. The cold repairing material is an oily material, has stable properties, is undissolved in water, and is insensitive to maneuvering impact, static electricity and the like. The components of the formula of the cold repairing material are environment-friendly materials, and do not generate any volatile substances polluting the environment during storage and use, so that the cold repairing material totally conforms to the environmental protection requirements.

Description

technical field [0001] The invention relates to the technical field of road daily maintenance and emergency maintenance, and especially designs a cold patch for asphalt road surface, a preparation method and its application. Background technique [0002] As a seamless continuous pavement, asphalt road is widely used because of its sufficient mechanical strength, adaptability to various driving loads, stable driving, comfortable driving, low noise and easy maintenance. However, asphalt pavement is highly sensitive to temperature. After the asphalt pavement is paved and put into use for a period of time, a series of physical and chemical changes will occur due to the repeated effects of climatic conditions such as sun exposure, wind and rain, freezing and thawing. , to make the asphalt pavement aging, and at the same time, under the repeated action of vehicle loads, it causes early damage to the pavement, such as cracks, potholes, etc. Under the action of load and rainwater a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/20
Inventor 于迪尔陈刚刘昌财朱雷
Owner 江苏燕宁新材料科技发展有限公司
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