基于机械分离法的沥青铣刨料高效再生技术研究  

Research on Efficient Regeneration Technology of Asphalt Milling Materials Based on Mechanical Separation Method

作　　者：吴军银 张雷 胡少宏 陈思 WU Junyin;ZHANG Lei;HU Shaohong;CHEN Si(Anhui Traffic Control Construction Management Co.,Ltd.,Hefei 230088,Anhui,China)

机构地区：[1]安徽省交控建设管理有限公司,安徽合肥230088

出　　处：《工程技术研究》2023年第9期92-94,共3页Engineering and Technological Research

基　　金：安徽省交通控股集团有限公司科技项目“基于干式油石分离的沥青混合料高效再生利用关键技术研究”(JKKJ-2020-13)。

摘　　要：为高效利用高速公路改扩建过程中产生的沥青路面铣刨料,采用机械分离法减少再生材料的变异性和级配波动,文章对粒径为5~10 mm、10~15 mm两档分离再生粗集料的技术指标进行了检测,并考虑残留沥青完成了分离再生AC-20沥青混合料的配合比设计,最后通过高温性能检测试验、水稳定性能检测试验和渗水试验,检验了分离再生沥青混合料的使用性能,得出其符合设计要求的结论。In order to make efficient use of asphalt pavement milling materials generated in the process of expressway reconstruction and expansion,the mechanical separation method is used to reduce the variability and gradation fluctuation of recycled materials.The technical indexes of two-stage separated and recycled coarse aggregate with particle size of 5-10 mm and 10-15 mm are tested,and the mixture ratio design of separated and recycled AC-20 asphalt mixture is completed considering residual asphalt.Finally,the performance of separated and recycled asphalt mixture is tested by high temperature performance test,water stability performance test and water permeability test,and the conclusion that it meets the design requirements is obtained.

关 键 词：高速公路 改扩建 沥青铣刨料 机械分离 再生技术 

分 类 号：U416.217[交通运输工程—道路与铁道工程]