摘要
为了研究温致变色材料对路面表面温度特性的影响,通过将道路石油沥青与温致变色材料拌合制备温致变色沥青,采用有限单元法(FEM)建立模型对温致变色沥青及常规道路石油沥青的路面温度响应进行研究。研究结果表明:掺入温致变色材料的沥青路面的表面温度与常规沥青路面相比大幅度降低;常规沥青路面与温致变色沥青路面相比,表面温度变化幅度较大:温致变色路面降低了路表温度且具有较低的热流,这均有利于提高沥青路面的使用性能。
In order to study the influence of thermochromic materials on the pavement surface temperature characteristic. In this paper,FEM simulation is conducted to study the influence of thermochromic materials on the surface temperature of asphalt pavement. The results show that the surface temperature of asphalt pavement doped with thermochromic materials is significantly lower compared to that of conventional asphalt pavement. In the meanwhile,conventional asphalt pavement underwent higher magnitude of temperature variations compared with thermochromic asphalt pavement. The decreased surface temperature and lower heat flux of thermochromic pavement both contribute to better pavementperformance.
出处
《重庆交通大学学报（自然科学版）》
CAS
北大核心
2015年第5期40-43,共4页
Journal of Chongqing Jiaotong University(Natural Science)
基金
江苏省交通科学研究计划项目(2013Y39)
关键词
道路工程
沥青路面
有限单元法
温致变色材料
热特性
road engineering
asphalt pavement
FEM
thermochromic materials
thermal properties
