多碎石沥青混凝土SAC-10在路面养护中的应用  

Application of Gravelly Asphalt Concrete SAC-10 in Pavement Maintenance

作　　者：杨博 张慧鲜 李立元 张宏涛 YANG Bo;ZHANG Huixian;LI Liyuan;ZHANG Hongtao(Research and Development Center of Highway Construction and Maintenance Technology,Materials and Equipment in Transportation Industry,Zhengzhou 450052,China;Henan Provincial Communications Planning&Design Institute Co.,Ltd.,Zhengzhou 450052,China)

机构地区：[1]交通运输行业公路建设与养护技术、材料及装备研发中心(郑州),郑州450052 [2]河南省交通规划设计研究院股份有限公司,郑州450052

出　　处：《路基工程》2022年第2期23-28,共6页Subgrade Engineering

基　　金：2019年度交通运输行业重点科技项目:在役典型沥青路面结构性能评价与养护技术研究(2019-MS2-032)。

摘　　要：依托河南省F高速公路2015年沥青路面养护工程,开展多碎石沥青混凝土SAC-10薄层罩面处治方案及混合料组成设计,并对试验段路面技术状况进行连续5年检测分析。结果表明:多碎石沥青混凝土SAC-10可用于路面破损率DR为0.4%~2.0%、局限于上面层1~3 cm浅层病害、面层层间结合较好的连续路段处治;按照粗集料形成骨架、细集料填充密实的原则,设计的多碎石沥青混凝土SAC-10混合料,能够满足沥青路面养护薄层罩面的路用性能要求。Based on the maintenance project in 2015 of asphalt pavement of F Highway in Henan province, the treatment plan and mixture composition design of the gravelly asphalt concrete SAC-10 thin layer overlay were carried out, and the technical condition of the test section pavement was tested and analyzed for 5 consecutive years. The results show that: the gravelly asphalt concrete SAC-10 can be used for continuous road sections with a pavement damage rate DR of 0.4 %~2.0 %, limited to the shallow layer disease of 1 to 3 cm on the upper layer,and a good combination of surface layers;Based on the principle of coarse aggregate forming a skeleton and a dense filling of fine aggregates, the designed gravelly asphalt concrete SAC-10 mixture can meet the road performance requirements of the asphalt pavement maintenance thin layer overlay.

关 键 词：沥青路面 浅层病害 路面养护 薄层罩面 多碎石沥青混凝土 矿料级配 

分 类 号：U416.217[交通运输工程—道路与铁道工程]