交通运输研究2025，Vol.11Issue(3)：71-83,13.DOI:10.16503/j.cnki.2095-9931.2025.03.007
生物油基再生剂的研制及其对再生沥青混合料的性能影响
Development of Bio-oil-based Regenerant and Its Effect on the Performance of Recycled Asphalt Mixture
摘要
Abstract
To develop a more environmentally friendly bio-oil-based regenerant with superior anti-aging performance,coconut oil was selected as the base oil,and Plasticizer DOP,tackifying resin C9,and antioxi-dant PG were incorporated as raw materials for the regenerant.Through orthogonal test and range anal-ysis,the optimal proportion of each component in bio-oil based regenerant(SW)was determined.The viscosity,flash point,mass change before and after aging in the film oven and viscosity ratio of SW re-generant were tested.The penetration performance of SW regenerant was tested by the needle penetra-tion method,and compared with a commercial regenerant(T).Through rut test,immersion Marshall test,freeze-thaw split test,trabecular bending test and split test,the high temperature stability,water stability,low temperature crack resistance and aging resistance of SW recycled asphalt mixture were evaluated,and compared with the original asphalt mixture and T recycled asphalt mixture.The results show that the optimal proportion of each component in SW regenerant is coconut oil:plasticizer:tacki-fying resin:antioxidant=1.00∶0.20∶0.03∶0.02.The viscosity and flash point of SW regenerant meet the specifications,and the aging resistance and penetration performance are better than those of T re-generant.The high temperature stability,water stability and low temperature cracking resistance of SW recycled asphalt mixture all meet the requirements of the specification.The high temperature sta-bility is not much different from that of the original asphalt mixture.The low temperature cracking re-sistance,aging resistance and water stability after freeze-thaw cycle are better than those of the origi-nal asphalt mixture and T recycled asphalt mixture.关键词
路面材料/生物油基再生剂/再生沥青/沥青混合料/路用性能Key words
pavement material/bio-oil-based regenerant/recycled asphalt/asphalt mixture/pave-ment performance分类
交通工程引用本文复制引用
冯新军,廖思乐,段湖杰..生物油基再生剂的研制及其对再生沥青混合料的性能影响[J].交通运输研究,2025,11(3):71-83,13.基金项目
湖南省自然科学基金项目(2021JJ30709) （2021JJ30709）
河南省交通运输学会科研项目(YJXHZD202401) （YJXHZD202401）
