基于压电效应的沥青路面老化监测技术  

Asphalt Pavement Aging Monitoring Technology Based on Piezoelectric Effect

作　　者：刘学敏 曹保峰 赵小勇 孟杨 陶毅荣 叶飞龙 无 LIU Xuemin;CAO Baofeng;ZHAO Xiaoyong;MENG Yang;TAO Yirong;YE Feilong;无(Gezhouba Hubei Xiangjing Expressway Co.,Ltd.,Jingmen Hubei 448000,China;Wenzhou Highway and Transportation Management Center,Wenzhou Zhejiang 325000,China;School of Civil Engineering and Architecture,Wenzhou University,Wenzhou Zhejiang 325035,China)

机构地区：[1]葛洲坝湖北襄荆高速公路有限公司,湖北荆门448000 [2]温州市公路与运输管理中心,浙江温州325000 [3]温州大学土木建筑学院,浙江温州325035

出　　处：《交通节能与环保》2024年第6期188-191,共4页Transport Energy Conservation & Environmental Protection

摘　　要：高温环境对沥青道路造成严重老化,本文利用压电发电原理对沥青道路的老化现象进行监测。首先制作了一种性能优良的PZT-5H压电换能器,并将其埋入沥青混凝土中,然后将压电-沥青混凝土试件放置在鼓风干燥箱内,研究其在热老化处理过程中的发电性能变化规律。结果表明,压电换能器的发电性能在不断增大,并且其表面受力均匀,从而输出的电信号稳定。随时间的增加,沥青混凝土表面出现了骨料脱离和裂缝,但其结构不断致密。In this paper,the thermal aging of asphalt road is monitored by the principle of piezoelectric power generation.In this paper,a PZT-5H piezoelectric transducer with excellent performance was made,and then embedded in asphalt concrete,and the piezo-asphalt concrete specimen was placed in the air blast drying oven to study the change rule of its electrical properties in the process of thermal aging.The test results show that the power generation performance of piezoelectric transducer is increasing,and its surface force is uniform,resulting in the stability of its electrical signal output.With the increase of time,aggregate separation and cracks appear on the surface of asphalt concrete,and the structure continues to be dense.

关 键 词：压电 沥青道路 热老化 健康监测 

分 类 号：U418.6[交通运输工程—道路与铁道工程]