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Updated: Sep 1, 2025

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
Published on: May 31, 2022
A Comprehensive Study on the Rejuvenation Efficiency of Compound Rejuvenators for the Characterization of the
Mingliang Li1, Shisong Ren2, Xueyan Liu2
1Key Laboratory of Transport Industry of Road Structure and Material, Research Institute of Highway Ministry of Transport, Xitucheng Road No. 8, Beijing 100088, China.
Abstract:
This study aims to comprehensively investigate the rejuvenation efficiency of various self-developed compound rejuvenators on the physical, mechanical, and aging properties of aged bitumen, asphalt mortar, and mixture. The results revealed that the restoration capacity of vacuum distilled-oil rejuvenators on high-and-low temperature performance-grade of aged bitumen is more significant. In contrast, an aromatic-oil based rejuvenator is good at enhancing low-temperature grade and aging resistance. Moreover, the temperature and time of the curing conditions for mixing recycling of asphalt mixture were optimized as 150 °C and 120 min. Furthermore, the sufficient anti-rutting, structural stability, and moisture resistance of recycled asphalt mixture affirmed the rejuvenation efficiency of compound rejuvenators.
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