Abstract
To realize the color functionalization of road paving, this paper developed a light-colored resin modified asphalt, which can be added with toner to adjust different colors to realize the color paving of asphalt mixture. Fourier infrared spectroscopy (FT-IR) was used to analyze the difference between functional group composition of light-colored asphalt and 70# petroleum asphalt and to compare the conventional performance and road performance of light-colored asphalt with I-D grade modified asphalt. The road performance mainly includes high temperature performance, water stability performance and anti-skid performance. The test results showed that the light-colored asphalt and 70# petroleum asphalt had similar functional group composition, and the technical indicators of the light-colored asphalt could meet the requirements of I-D grade modified asphalt; the three road performances of the light-colored asphalt mixture met the specification requirements, which were even more excellent than the I-D grade modified asphalt mixture, indicating that the light-colored resin modified asphalt synthesized in this paper can meet the application of road engineering. Meanwhile, the light-colored resin modified asphalt has less smoke, lower carbon emissions, and superior performance than petroleum asphalt during use, which is beneficial to the sustainable development of road engineering.
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