抗拉强度指标在ATB-25设计中的应用  

The Application of Tensile Strength Index in the ATB-25 Asphalt Mixture Design

作　　者：袁美俊[1] 高立鑫[2] 成菲[1] 

机构地区：[1]江苏省交通技师学院,江苏镇江212006 [2]天津市市政工程设计研究院,天津300457

出　　处：《山东交通学院学报》2010年第4期63-67,共5页Journal of Shandong Jiaotong University

摘　　要：为了更好地发挥柔性基层在路面结构中的抗疲劳功能,提出采用抗拉强度指标代替常规设计中的稳定度指标进行沥青混合料设计。根据ATB-25型混合料的试验结果可知,采用抗拉强度指标设计的沥青混合料各项性能指标满足规范要求,且抗拉强度高于常规设计的沥青混合料,最佳油石质量比比与常规设计高约0.1%。In order to better play the flexible base layer＇s anti-fatigue function in pavement structure, tensile strength indicators are proposed to replace stability index in conventional design methods for asphalt mixture design. Through the test of ATB-25 material obtained that the performance indicators of asphalt mixture designed by tensile strength index meet the regulatory requirements, and the tensile strength is higher than the conventional methods designed asphalt mixture. The best asphalt aggregate ratio is more than the conventional methods designed asphalt mixture about 0 . 1%.

关 键 词：沥青混合料 抗拉强度 最佳油石质量比 

分 类 号：U416.03[交通运输工程—道路与铁道工程]