万方数据资源系统

建筑科学与工程学报
JOURNAL OF ARCHITECTURE AND CIVIL ENGINEERING
2007 Vol.24 No.3 P.82-86

数字化期刊

雷达波在混凝土无损伤检测中的应用

涂文戈  邹银生  陈理庆  田明革 

摘 要:针对雷达波在介质中的传播特性和衰减特性,建立了雷达信号在混凝土介质中传播和衰减的数学模型;基于探地雷达的工作机理,提出了对被接收的雷达反射波信号的衰减进行补偿,并且给出了衰减补偿公式.采用该方法对存在裂缝、孔洞和混凝土不密实区域的混凝土构件进行雷达无损检测,经过对雷达信号数据进行衰减补偿后,再对数据进行成像处理以获得雷达扫描图像.结果表明,扫描图像可以较为清晰地显示混凝土构件深部中的缺陷,与工程实际情况符合良好.
关键词:雷达;衰减;补偿;混凝土;无损检测
分类号:TU528 文献标识码:A

文章编号:1673-2049(2007)03-0082-05

Application of Radar Wave in Nondestructive Testing of Concrete

TU Wen-ge  ZOU Yin-sheng  CHEN Li-qing  TIAN Ming-ge 

基金项目:湖南省建设厅资助项目(200406)
作者简介:涂文戈(1971-),男,湖南长沙人,副教授,工学博士,E-mail:steel_tu@hnu.cn.
作者单位:涂文戈(湖南大学,土木工程学院,湖南,长沙,410082) 
     邹银生(湖南大学,土木工程学院,湖南,长沙,410082) 
     陈理庆(湖南大学,土木工程学院,湖南,长沙,410082) 
     田明革(湖南大学,土木工程学院,湖南,长沙,410082) 

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收稿日期:2007年6月3日

出版日期:2007年9月30日

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