Ground-penetrating radar for concrete bridge health monitoring applications

Dryver R. Huston; Jing Qiong Hu; Kenneth R. Maser; William H. Weedon; Chris Adam

doi:10.1117/12.339922

1 February 1999 Ground-penetrating radar for concrete bridge health monitoring applications

Dryver R. Huston, Jing Qiong Hu, Kenneth R. Maser, William H. Weedon, Chris Adam

Proceedings Volume 3587, Nondestructive Evaluation of Bridges and Highways III; (1999) https://doi.org/10.1117/12.339922
Event: Nondestructive Evaluation Techniques for Aging Infrastructures and Manufacturing, 1999, Newport Beach, CA, United States

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.

Citation Download Citation

Dryver R. Huston, Jing Qiong Hu, Kenneth R. Maser, William H. Weedon, and Chris Adam "Ground-penetrating radar for concrete bridge health monitoring applications", Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); https://doi.org/10.1117/12.339922

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