Abstract
With the rapid development of transportation industry, highway construction in China is advancing by leaps and bounds, and the demand for pavement materials is also increasing. With the depletion of petroleum resources, the price of petroleum asphalt, which is widely used in pavement, is rising, and it is not easy to degrade petroleum asphalt, so the utilization ratio of waste asphalt is low and the environment is polluted. Therefore, it is necessary to seek some substitute or a kind of renewable environmental protection asphalt, and the large-scale production of vegetable asphalt provides a new way for it. In this paper, plant asphalt is mixed with 90 base asphalt in different proportion (0%, 10% and 15%), and the mixture asphalt is determined. To explore the effect of plant asphalt on the three indexes, temperature sensitivity and ageing performance of base asphalt.
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