High-modulus rubber asphalt concrete

Abstract

The invention discloses high-modulus rubber asphalt concrete. Rubber asphalt in the rubber asphalt concrete is high-modulus rubber asphalt, the high-modulus rubber asphalt is composed of high-modulus asphalt and rubber powder, the high-modulus asphalt is composed of matrix asphalt and rock asphalt, and the adding amount of the rock asphalt accounts for 2%-15% of the mass of the matrix asphalt. In order to solve the problems that an existing rubber asphalt concrete pavement has the defects that the high temperature resistance is poor, and deformation and tracks are prone to be generated under heavy-loaded traffic, the effects which can not be achieved through common rubber asphalt concrete are achieved by adding the rock asphalt to increase the modulus and improve the using performance and replacing common asphalt with the high-modulus asphalt. According to the high-modulus rubber asphalt concrete, all indexes are higher that those of concrete prepared from the matrix asphalt, and therefore the expressway pavement under the conditions of the high temperature and the heavy-loaded traffic is reasonable in structure, durable in use, safe and reliable.

Description

technical field [0001] The invention relates to a rubber asphalt concrete, which is mainly used in the field of road construction. Background technique [0002] Ordinary rubber asphalt concrete has the functions of noise reduction, environmental protection, and anti-skid, but it also has strong temperature sensitivity. Under the combined effects of high temperature in summer, heavy-duty traffic, or large slopes, early-stage diseases such as rutting and shifting are prone to occur. There is also the possibility of freezing and cracking in winter, which seriously affects the performance and service life of the road. Contents of the invention [0003] In order to solve the problems of the existing rubber asphalt concrete pavement, such as poor temperature resistance, easy deformation and rutting under heavy traffic, the present invention provides a high modulus rubber asphalt concrete, which increases the modulus and performance by adding rock asphalt , to replace ordinary a...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of the existing rubber asphalt concrete pavement, such as poor temperature resistance, easy deformation and rutting under heavy traffic, the present invention provides a high modulus rubber asphalt concrete, which increases the modulus and performance by adding rock asphalt , use high modulus asphalt instead of ordinary asphalt to improve the problems that ordinary rubber asphalt concrete cannot achieve

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