Evaluation of dielectric properties of concrete by a numerical FDTD model of a GPR coupled antenna-Parametric study

被引：38
|
作者：
Klysz, G. [1 ]
Balayssac, J. P. [1 ]
Ferrieres, X. [2 ]
机构：
[1] Univ Toulouse, UPS, INSA, LMDC, F-31077 Toulouse 04, France
[2] CERT, ONERA, Electromagnetism & Radar Dept, F-31055 Toulouse, France
来源：
NDT & E INTERNATIONAL | 2008年 / 41卷 / 08期
关键词：
Antenna model; GPR; Material wave; Concrete; Permittivity; Conductivity; Water content; Nondestructive evaluation;
D O I：
10.1016/j.ndteint.2008.03.011
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This article describes the use of a 1.5 GHz ground-penetrating radar (GPR) coupled antenna numerical model to evaluate the dielectric properties of two concretes with different degrees of water saturation. The dielectric properties obtained by Simulation and measurement are in a good accordance and are comparable with those of the literature. A parametric study is performed in order to better understand the wave propagation when the antenna is coupled with concrete. A Study of the direct wave behavior during its propagation is also given. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：621 / 631
页数：11
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