Abstract
The effects of pozzolan and calcium chloride on the performance of asphalt mixtures were analyzed by laboratory performance tests. Using the maximum bulk density of mixed materials after vibration compaction, Determined the reasonable ratio of calcium chloride to fill the voids of pozzolanic material. The amount of surface modified material was determined based on the precipitation rate of the melting snow component and the effect on asphalt performance under cyclic water immersion conditions. Tested the performance of the asphalt mixture, self-melting snow material can improve the low temperature performance of the mixture. There is a certain reduction in high temperature performance and water stability, but all meet the requirements of normative indicators.
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