Evaluating impact of thermo-oxidative and ultraviolet aging on performance of hot in-place recycled asphalt mixtures

HIGHLIGHTS

• What: This study investigates the effects of thermo-oxidative (TO) and ultraviolet (UV) aging on HIR mixtures. In this study, TO and UV aging of hot in-place recycled mixtures were simulated to reflect the actual environmental conditions of the in-serviced pavement. As shown in Table 3, the RAP used in this study belongs to According to Table 2, the aging grade of RAP is determined based on needle pene aging grade II, and its performance can be partially improved by adding the rejuvenator. tration and the viscosity index. In this work, only one- simul Therefore . . .
  

   

  

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