Development of High-Speed Ultrawideband Ground-Penetrating Radar for Rebar Detection
Publication: Journal of Engineering Mechanics
Volume 139, Issue 3
Abstract
This paper describes the development of new air-coupled ultrawideband ground-penetrating radar (GPR) for highway pavement and bridge deck inspections that can achieve high spatial resolution and high inspection performance while operating on vehicles driving at regular highway speeds. The major design features include dual-frequency band operation, 8 gigasamples per second high-speed real-time data acquisition, high-speed large volume data transmission and storage, and customized signal-processing algorithms for GPR image enhancement and feature extractions. For design validations, steel reinforcing bar detection experiments in various setups are conducted. The measurement results show good agreement with the subsurface feature configurations.
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Acknowledgments
This research was supported by U.S. Department of Transportation Grant No. DTOS5908G00102 and U.S. National Institutes of Standards and Technology Cooperative Agreement No. 70NANB9H9012, with Northeastern University and Ming Wang as the principal investigator.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 139 • Issue 3 • March 2013
Pages: 272 - 285
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Nov 1, 2011
Accepted: Jul 9, 2012
Published online: Jul 30, 2012
Published in print: Mar 1, 2013
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