Abstract
In order to reduce the temperature of the asphalt pavement, determine the coating viscosity and curing time at different temperatures, in this paper, a set of road heat reflection coating schemes is designed. Through the self-developed indoor coating cooling test box, brinell viscometer and other test instruments, the coating amount, cooling effect, curing time and coating viscosity analysis test were carried out. The coating scheme with the best cooling effect is determined, and the problem of explosion reaction of coating in the process of high-temperature construction is solved. The anti-skid performance of the coating under the optimal ratio of coating additives was evaluated. The results show that the reflectivity of the coating can be improved by the addition of functional material titanium dioxide, and the best mixing value is about 30% of the quality of epoxy resin, and the maximum cooling range of the coating reaches 7.35°C. The cooling effect increases with the increase of the coating amount, but the cooling effect tends to be stable after reaching a certain degree and the recommended coating dosage is 0.8kg/m2. The addition of 2-ethyl-4-methylimidazole can prolong the curing time and reduce the viscosity of the coating.
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