Study on the mechanism of time gradient pressure aging of crumb rubber modified asphalt

Xiaoyu Yang, Yunchun Zhang, Siyu Wu, Bailin Shan, Xuejuan Cao, School of Transportation Engineering, Chongqing Jiaotong University, s Republic of China, Chongqing Jiaotong University Construction Engineering Quality Inspection Center Co, s Republic of China, School of Materials Science and Engineering, Chongqing Jiaotong University, s Republic of China

Journal of Thermoplastic Composite Materials

Published online on April 29, 2026

Abstract

Journal of Thermoplastic Composite Materials, Ahead of Print.
Crumb rubber modified asphalt (CRMA) is widely used in pavement engineering due to its superior performance. However, the aging mechanism of CRMA has not yet been fully elucidated. There is a lack of standardized classification for long-term aging stages, ...