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Proceedings Paper

Ground-penetrating radar for concrete bridge health monitoring applications
Author(s): Dryver R. Huston; Jing Qiong Hu; Kenneth R. Maser; William H. Weedon; Chris Adam
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Paper Abstract

Ground penetrating radar, often used for geophysics investigation and land mine detection, has been developed as a non-destructive means of concrete bridge health monitoring for nearly a decade. However, the commercially available systems are limited to estimating the location and gross quantities of the deterioration. The objective of this research is to develop a GPR system that can provide a more accurate method for obtaining detailed information, so that the location and magnitude of the delaminations and deterioration can be decided. A frequency band of 500 MHz to 6 GHz, was used for this system. A corresponding antenna with high resolution and radiation efficiency, Good Impedance Match Antenna, was developed for this frequency range. The system is able to distinguish features that are at least 360 mm deep in concrete. The GPR system, antenna, and experimental results from field investigations are presented.

Paper Details

Date Published: 1 February 1999
PDF: 10 pages
Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); doi: 10.1117/12.339922
Show Author Affiliations
Dryver R. Huston, Univ. of Vermont (United States)
Jing Qiong Hu, Univ. of Vermont (United States)
Kenneth R. Maser, Infrasense, Inc. (United States)
William H. Weedon, Applied Radar Analysis (United States)
Chris Adam, Altran Material Engineering (United States)

Published in SPIE Proceedings Vol. 3587:
Nondestructive Evaluation of Bridges and Highways III
Steven B. Chase, Editor(s)

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