基于冷添加下的厂拌热再生沥青混合料在广州市政道路中的研究与应用  

Research and Application of Factory Mixed Hot Recycled Asphalt Mixture Based on Cold Addition in Guangzhou Municipal Roads

作　　者：胡应 康义 周继民 柴光浩 HU Ying;KANG Yi;ZHOU Jimin;CHAI Guanghao(Beijing Municipal Road and Bridge Zhengda Road Technology Co.,Ltd.,Peking 102600;Guangzhou Hefu Municipal Engineering Co.,Ltd.,Guangzhou 511365)

机构地区：[1]北京市政路桥正达道路科技有限公司,北京102600 [2]广州市和富市政工程有限公司,广州511365

出　　处：《石油沥青》2024年第4期52-56,64,共6页Petroleum Asphalt

摘　　要：依托广州市政道路养护工程项目,研究探讨了冷添加下厂拌热再生沥青混合料在广州地区的工程应用。开展了废旧沥青路面材料(RAP)冷添加的厂拌热再生沥青混合料配合比设计、生产工艺优化,并对再生沥青混合料的高温性能、水稳定性能、抗疲劳性能进行检验。试验结果表明:合理的材料设计和生产工艺优化,可保证冷添加下厂拌热再生沥青混合料的路用性能稳定,可在实际工程中推广使用。Based on the Guangzhou Municipal Road Maintenance Project,this study explores the engineering application of factory mixed hot recycled asphalt mixture with cold additives in the Guangzhou area.The mix design and production process optimization of factory mixed hot recycled asphalt mixture with cold addition of recycled asphalt pavement material(RAP)was studied,and the high-temperature performance,water stability,and fatigue resistance of the recycled asphalt mixture was tested.The results show that reasonable material design and production process optimization can ensure the road performance of factory mixed hot recycled asphalt mixture under cold addition,and can be promoted and used in practical engineering.

关 键 词：冷添加 厂拌热再生混合料 配合比设计 沥青路面 

分 类 号：U414[交通运输工程—道路与铁道工程]