A kind of asphalt mixture for anti-slip and noise reduction fog seal

A technology of asphalt mixture and fog sealing layer, applied in the field of asphalt materials, can solve the problems of affecting the anti-skid performance of pavement, reduce the friction coefficient and structural depth of pavement, etc., and achieve good anti-skid ability, uniform internal structure and high comprehensive strength. Effect

Active Publication Date: 2018-10-26
NANJING ROAD KEEPER TECH
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Problems solved by technology

Tracking and monitoring of the fog seal layer widely used in maintenance practice projects at present shows that after the fog seal layer maintenance is carried out, the friction coefficient and structural depth of the road surface will be reduced to a certain extent, which will affect the anti-skid performance of the road surface, and its durability Sex is a puzzle to be solved
[0003] In view of the above performance defects of the traditional fog seal layer, it is urgent to develop a new type of fog seal layer asphalt mixture, which can form a composite fog seal layer with durability, skid resistance and low noise, and can effectively solve the current fog seal layer. Limitations of Sealer Application

Method used

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  • A kind of asphalt mixture for anti-slip and noise reduction fog seal
  • A kind of asphalt mixture for anti-slip and noise reduction fog seal
  • A kind of asphalt mixture for anti-slip and noise reduction fog seal

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0017] This case proposes a kind of asphalt mixture for anti-slip and noise-reducing fog sealing layer, which includes the following materials by weight:

[0018]

[0019] Polymer modified emulsified asphalt is an existing technology. It consists of base asphalt, polymer modifier and water. The base asphalt is No. 70 heavy traffic asphalt, No. 90 heavy traffic asphalt, No. 100 ordinary road asphalt, and No. 10 construction asphalt Or one of coal-based asphalt, preferably No. 70 heavy-duty asphalt or No. 90 heavy-duty asphalt, and the polymer modifier is selected from thermoplastic resin modifiers. Commonly used thermoplastic resins include polyethylene, polypropylene, etc., such The material greatly improves the high-temperature resistance of asphalt, and the softening point of the ...

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Abstract

An asphalt mixture used for an antiskid noise-reducing fog sealing layer is disclosed. The asphalt mixture comprises polymer modified emulsified asphalt, aggregates, a vinyl acetate-ethylene copolymerized emulsion, epoxy resin, a water-based epoxy curing agent, a composite stabilizing agent, dioctyl phthalate, ethylene glycol and water. Through optimization of an asphalt formula, the inner structure of asphalt can be improved from the microcosmic aspect, and an objective of improving weather-proof, antiskid, antiaging and noise-reducing properties of the asphalt is achieved.

Description

technical field [0001] The invention relates to an asphalt material, in particular to an asphalt mixture for an anti-slip and noise-reducing mist sealing layer. Background technique [0002] In the road maintenance technology, the fog sealing layer technology is a simple, applicable and economical maintenance and repair measure, which has been unanimously recognized abroad. It is to spray (modified) emulsified asphalt or asphalt pavement maintenance agent and other materials on the asphalt or cement pavement by special machinery, so as to achieve the preventive maintenance purpose of closing the pavement pores, stabilizing loose aggregates, and repairing the pavement. The function of the fog seal layer is mainly reflected in the following aspects: 1) Improve the overall appearance of the road surface; 2) Repair the spalling of asphalt wrapped in road surface stones and seal fine cracks; 3) Regenerate the aged asphalt on the road surface and restore the rheology of the asphal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/26
CPCC04B26/26C04B14/06C04B24/26C04B24/281C04B24/045C04B24/02
Inventor 覃勉
Owner NANJING ROAD KEEPER TECH
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