合成材料老化与应用2025,Vol.54Issue(5):11-13,70,4.
基于流变特性的温拌SBS改性沥青老化性能研究
Research on the Aging Performance of Warm-mixed SBS Modified Asphalt Based on Rheological Characteristics
摘要
Abstract
Three different warm mix agents were employed to prepare warm mix SBS modified asphalt.The short-term and long-term aging of asphalt were simulated by the Rotating Film Oven Test and Pressure Vessel Aging Test,respectively.Parameters such as the viscosity aging index,rutting factor,fatigue factor,and creep stiffness of the warm mix SBS modified asphalt before and after aging were tested and investigated.The results indicate that the addition of warm mix agents can significantly reduce the viscosity aging index of SBS modified asphalt.The Sasobit warm mix agent,due to the presence of wax,can enhance the high-temperature performance of SBS modified asphalt but has an adverse impact on the fatigue performance and low-temperature performance.The Evotherm warm mix agent can improve the low-temperature performance and fatigue performance of SBS modified asphalt while having no effect on the high-temperature performance.The GN warm mix agent has an adverse influence on the high-temperature rutting resistance of SBS modified asphalt but has a certain promoting effect on its fatigue performance and low-temperature performance.关键词
温拌SBS改性沥青/黏度老化指数/车辙因子/疲劳因子/蠕变劲度/蠕变速率Key words
warm mix SBS modified asphalt/viscosity aging index/rutting factor/fatigue factor/creep stiffness/creep rate分类
交通工程引用本文复制引用
路俊杰..基于流变特性的温拌SBS改性沥青老化性能研究[J].合成材料老化与应用,2025,54(5):11-13,70,4.基金项目
2023年福建省住建厅科学技术计划项目"温拌再生沥青混合料关键技术研究"(项目编号:2023-K-13). (项目编号:2023-K-13)