APPLICATION OF MICROWAVE 3D SAR IMAGING TECHNIQUE FOR EVALUATION OF CORROSION IN STEEL REBARS EMBEDDED IN CEMENT-BASED STRUCTURES

被引：13
|
作者：
Kharkovsky, S. [1 ]
Case, J. T. [1 ]
Ghasr, M. T. [1 ]
Zoughi, R. [1 ]
Bae, S. W. [2 ]
Belarbi, A. [3 ]
机构：
[1] Missouri Univ Sci & Technol Missouri S&T, Dept Elect & Comp Engn, Appl Microwave Nondestruct Testing Lab Amntl, Rolla, MO 65409 USA
[2] Texas Tech Univ, Dept Civil & Environm Engn, Lubbock, TX 79409 USA
[3] Univ Houston, Dept Civil & Environm Engn, Houston, TX 77204 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 31A AND 31B | 2012年 / 1430卷
关键词：
Microwaves; SAR; 3D Images; Cement-Based Structures; Steel Rebars; Corrosion; REFLECTION; CONCRETE;
D O I：
10.1063/1.4716395
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This paper presents and discusses the attributes and results of using wideband microwave 3D SAR-based imaging technique for evaluation of reinforced cement-based structures. The technique was used to detect corrosion and thinning of reinforcing steel bars and its potential was demonstrated through experiments for different bar sizes, depth of rebar locations, and spacing between rebars. The results of a limited and preliminary investigation in which thinning of rebars with and without rust in two mortar samples were obtained at three frequency bands covering the frequency range from 8.2 GHz - 26.5 GHz.
引用
收藏
页码：1516 / 1523
页数：8
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