红外差热技术在沥青路面透水性评价中的应用

Application of Infrared Differential Thermal Technology in Asphalt Pavement Permeability Evaluation

首先通过室内试验研究得知沥青混合料试件表面温度同其透水性具有很好的相关性,证明可以通过红外技术开发沥青路面透水性检测仪。然后开发出一种能够快速、连续检测沥青路面的红外测温仪及相应的软件系统,其检测速度可达100 km·h^(-1)。最后通过对已通车的不同沥青路面检测,并与规范中采用的渗水仪结果进行相关性分析,制定出利用沥青路面透水性红外检测仪检测透水性的评价标准。

The laboratory experiments show that it is high relative between the surface temperature and permeability of asphalt mixture specimen, so the permeability can be evaluated by detecting the surface temperature, then, a rapid continuous infrared radiation thermometers and corresponding software system are developed. And the detection rapid can reach 100 km·h^-1. At last, through the correlation analysis between the seepage meter results and the infrared radiation meter results in different asphalt pavement, the evaluation standard of asphalt pavement permeability detected instrument by infrared radiation meter is made out.