高速公路机制砂沥青混凝土配合比设计研究  

Research on Mixture Proportion Design of Manufactured Sand Asphalt Concrete for Expressway

作　　者：王鹏飞 WANG Pengfei(China Railway 14th Bureau Group 4th Engineering Co.,Ltd.,Jinan 250000,Shandong,China)

机构地区：[1]中铁十四局集团第四工程有限公司,山东济南250000

出　　处：《工程技术研究》2024年第15期108-110,共3页Engineering and Technological Research

摘　　要：文章结合具体实例进行试验,确定机制砂沥青混凝土的优质配合比,从强度、抗收缩变形、抗渗性等五个角度出发,对比天然砂混凝土和机制砂沥青混凝土,最终得出的结论为与天然砂混凝土相比,机制砂沥青混凝土的力学性能更好,耐久度更强,成本更低,对环境更友好,具有更高的经济与环境效益。This paper combines specific examples to determine the high-quality mixture proportion of manufactured sand asphalt concrete.From fi ve perspectives of strength,anti-shrinkage deformation,impermeability,etc.,it compares natural sand concrete and manufactured sand asphalt concrete.The final conclusion is that compared with natural sand concrete,manufactured sand asphalt concrete has better mechanical properties,stronger durability,lower cost,more friendly to the environment,and higher economic and environmental benefi ts.

关 键 词：高速公路 机制砂 沥青混凝土 配合比设计 

分 类 号：U214.18[交通运输工程—道路与铁道工程]