路面半刚性基层材料干缩测试仪的研制及试验方法  

Development and Test Method of Dry Shrinkage Tester for Semi-rigid Base Material of Pavement

作　　者：于丽梅[1] 陈志国[1] YU Li-mei;CHEN Zhi-guo(Jilin Provincial Transport Scientific Research Institute,Changchun 130012,China)

机构地区：[1]吉林省交通科学研究所

出　　处：《北方交通》2019年第9期66-69,73,共5页Northern Communications

摘　　要：目前半刚性基层材料干缩特性测试方法在精度、可操作性及环境条件控制等方面都存在一些不足,为此,研制了能够模拟路面实际工作环境、自动化程度高、测试准确性好,且能实时采集数据的路面半刚性基层材料干缩测试仪,并提出了相关试验方法,进行了性能验证,可为评价半刚性基层材料的干缩特性提供依据。At present,there are some shortcomings in some aspects like accuracy,operability and control of environmental conditions of test methods for dry shrinkage characteristics of semi-rigid base materials.Therefore,a kind of dry shrinkage tester for semi-rigid base material of pavement is developed,which can simulate the actual working environment of pavement,provide high degree of automation and good testing accuracy,and collect real-time data.The related test methods are put forward,and the performance verification is carried out,so as to provide basis for the evaluation on the dry shrinkage characteristics of semi-rigid base materials.

关 键 词：路面 半刚性基层材料 干缩测试仪 试验方法 

分 类 号：U414.03[交通运输工程—道路与铁道工程]