长沙理工大学学报（自然科学版）2025，Vol.22Issue(2)：26-35,10.DOI:10.19951/j.cnki.1672-9331.20230302001
不同掺量SBS-废食用油复合再生沥青性能研究
Investigation on the properties of SBS-WCO composite recycled asphalt with different contents
摘要
Abstract
[Purposes]This paper aims to study the comprehensive regeneration effect of SBS-waste cooking oil composite asphalt rejuvenator on aged asphalt and improve the rutting resistance of WCO recycled asphalt.[Methods]The SBS-WCO composite asphalt rejuvenator was prepared by the pre-swelling method.By adjusting the mass ratio of SBS and WCO,the optimal ratio of the two components was determined with the high-temperature property of recycled asphalt and the dispersion effect of SBS in asphalt as evaluation indicators.According to the high and low-temperature properties and fatigue properties of recycled asphalt,the optimal content of SBS-WCO composite asphalt recycled agent was determined.[Findings]Pre-swelling treatment improves the dispersion uniformity of SBS in asphalt,significantly decreasing the particle size of SBS in recycled asphalt.The optimal mass ratio of the two components in the SBS-WCO composite asphalt rejuvenator is 1.0∶4.5.The high and low-temperature properties and fatigue properties of aged asphalt can be restored effectively by using the rejuvenator.When the mass fraction is 10%(according to the mass of asphalt),the performance of recycled asphalt is better than that of matrix asphalt.[Conclusions]The SBS-WCO composite asphalt rejuvenator significantly improves the road performance of recycled asphalt pavement,providing an important foundation for the subsequent research on WCO rejuvenator.关键词
SBS-废食用油复合沥青再生剂/预溶胀/老化沥青/再生沥青/流变性能Key words
SBS-waste cooking oil composite asphalt rejuvenator/pre-swelling/aged asphalt/recycled asphalt/rheological property分类
交通运输引用本文复制引用
张思敏,叶群山,范玲旖..不同掺量SBS-废食用油复合再生沥青性能研究[J].长沙理工大学学报（自然科学版）,2025,22(2):26-35,10.基金项目
国家自然科学基金资助项目(52378437) （52378437）
湖南省教育厅科学研究重点项目(20A012) （20A012）
长沙市科技计划项目(kq2014107) Project(52378437)supported by the National Natural Science Foundation of China （kq2014107）
Project(20A012)supported by Scientific Research of Hunan Education Department （20A012）
Project(kq2014107)supported by Science and Technology Plan Program of Changsha （kq2014107）
