水泥稳定碎石静态模量与动态模量比较  

Comparison of Compressive Resilient Modulus and Dynamic Modulus of Cement-Stabilized Macadam

作　　者：程箭[1] 许志鸿[1] 李淑明[1] 盛晓军[1] 

机构地区：[1]同济大学道路与交通工程教育部重点实验室,上海200092

出　　处：《建筑材料学报》2009年第1期63-66,75,共5页Journal of Building Materials

基　　金：交通部西部科技项目(200531800001)

摘　　要：分析了静态模量和动态模量的定义及试验方法，并采用MTS（材料试验机）对3种水泥用量的水泥稳定碎石进行了不同荷载级位下的静态模量和动态模量试验．结果表明，动态模量试验方法更符合路面实际受力状况；水泥稳定碎石不是纯粹的弹性材料，其动态模量随水泥用量的增加而显著增加；静态模量和动态模量均随荷载的增加而增加；相同荷载级位下，水泥稳定碎石的动态模量比静态模量大，两者的比值约为1.2～1.6．The definition and testing methods of compressive resilient modulus and dynamic modulus were analysed. Compressive resilient modulus and dynamic modulus tests were conducted at various loads for cement-stabilized macadam with three kinds of cement content through MTS. The results show that the testing method of dynamic modulus is closer to actual stress condition of pavement. Cement-stabilized macadam is not sheer elastic material. With the increase of cement content, the dynamic modulus increases. With the increase of load, the compressive resilient modulus and dynamic modulus both increase. At the same load, dynamic modulus is larger than compressive resilient modulus. The ratios range from 1.2 to 1.6.

关 键 词：水泥稳定碎石 静态模量 动态模量 

分 类 号：U416.217[交通运输工程—道路与铁道工程]