Epoxy modified asphalt pavement anti-skid layer and construction method thereof

A technology of epoxy modification and asphalt pavement, which is applied to the cohesive pavement paved on site, roads, roads, etc., can solve the problems of restricting road construction, management and development, and supply interruption, and achieve low cost, noise reduction, The effect that the construction method is simple

Active Publication Date: 2021-08-31
CHONGQING SINCERE BOND PAVEMENT MATERIALS
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  • Abstract
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  • Claims
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Problems solved by technology

However, basalt and other high-quality stone resources are limited, and the supply is in short supp

Method used

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  • Epoxy modified asphalt pavement anti-skid layer and construction method thereof
  • Epoxy modified asphalt pavement anti-skid layer and construction method thereof

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[0035] The word "embodiment" is used here exclusively, and any embodiment described as "exemplary" is not necessarily to be construed as superior or better than other embodiments. In the performance index tests in the examples of the present application, unless otherwise specified, conventional test methods in the art were adopted. It should be understood that the terms described in this application are only used to describe a specific implementation manner, and are not used to limit the content disclosed in this application.

[0036] Unless otherwise specified, the technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the application belongs; as other unspecified test methods and technical means in the application, they all refer to Experimental methods and technical means commonly used by technicians.

[0037]The terms "substantially" and "approximately" are used herein to describe ...

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Abstract

An epoxy modified asphalt pavement anti-skid layer comprises an asphalt concrete layer which is prepared from medium-grain or coarse-grain aggregate and asphalt, and the thickness of the asphalt concrete layer is 6-18cm; a broken stone sealing layer, formed by synchronously spreading broken stone aggregate and high-viscosity modified asphalt on the asphalt concrete layer and rolling the broken stone aggregate and the high-viscosity modified asphalt by a road roller, and the broken stone aggregate on the surface of the broken stone sealing layer being partially embedded into the asphalt concrete layer to form a three-dimensional staggered embedded integrated structure; an epoxy anti-skid layer, formed by synchronously spreading anti-skid aggregate and epoxy modified asphalt on the gravel sealing layer and rolling the anti-skid aggregate and the epoxy modified asphalt by a road roller, and the anti-skid aggregate on the surface of the epoxy anti-skid layer being partially embedded among gravel aggregate of the gravel sealing layer to form a three-dimensional staggered and embedded integrated structure; and an asphalt sealing layer, formed by spreading a sealing material formed by fine sand aggregate and high-viscosity modified emulsified asphalt on the epoxy anti-skid layer. The anti-skid coefficient of the anti-skid layer of the epoxy modified asphalt pavement is 70 BPN or above.

Description

technical field [0001] The application belongs to the technical field of asphalt roads, and in particular relates to an epoxy-modified asphalt pavement antiskid layer and a construction method thereof. Background technique [0002] With the increase of traffic volume and load of newly-built asphalt pavement, within about 2 years of service, the asphalt film on the surface of the asphalt pavement will fall off and the edges and corners of the aggregate will be polished, which will make the anti-skid performance attenuate rapidly. The problem is particularly prominent. In particular, in the case of insufficient anti-skid performance of asphalt pavement, the asphalt pavement will become wet and slippery in rainy days, and the anti-skid performance will further decline. Splashing water or rain and fog will reduce visibility and increase the probability of traffic accidents. At the same time, the hydrodynamic pressure generated by road surface water under the action of driving ...

Claims

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Application Information

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IPC IPC(8): E01C7/32E01C7/35
CPCE01C7/32E01C7/353
Inventor 吴祥燕刘帮银谌香玲杨建萍吴飞胡鑫刘骜
Owner CHONGQING SINCERE BOND PAVEMENT MATERIALS
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