Application of Radar Imaging Techniques to Concrete

by Oral Buyukozturk, Massachusetts Inst of Technology, Cambridge, United States,
Hong C. Rhim, Massachusetts Inst of Technology, Cambridge, United States,
Dennis J. Blejer, Massachusetts Inst of Technology, Cambridge, United States,



Document Type: Proceeding Paper

Part of: Digital Image Processing: Techniques and Applications in Civil Engineering

Abstract: Wideband radar imaging techniques have the potential of being a powerful tool in detecting steel reinforcing bars and delaminations inside concrete. The success of the method as a nondestructive testing technique for concrete depends on the development of proper hardware and software systems which are suitable for concrete structures. It is also essential to understand concrete as a material with electromagnetic properties. This paper presents the results of some initial exploratory radar measurements on laboratory size concrete slab specimens with 9 - 11 GHz waveforms at a range of 20 meters. A brief description of the radar system and the imaging algorithm are provided.

Subject Headings: Radar | Imaging techniques | Bars (structure) | Reinforced concrete | Material properties | Reinforcing steel | Delaminating

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