Study on Properties of the Asphalt Modified by an Additive
The properties of 70# base asphalt and SBS modified asphalt with an additive were studied by experimental methods.The results show that the additive has little effect on the performance of 70# base as-phalt,and has a significant effect on the performance of SBS modified asphalt.Therefore,the additive is more suitable for modifying SBS modified asphalt.In order to study the best doping of additives in SBS modified as-phalt,8％,9％,10％,11％,and 12％additives were added to SBS modified asphalt.The results show that when the amount of additives is 9％and 10％,the SBS modified asphalt has good comprehensive perform-ance.
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