Review of Penetrating Radar as Applied to Nondestructive Evaluation of Concrete

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Title: Review of Penetrating Radar as Applied to Nondestructive Evaluation of Concrete

Author(s): T.R. Cantor

Publication: Special Publication

Volume: 82

Issue:

Appears on pages(s): 581-602

Keywords: bridge decks; concrete cores; concrete pavements; deterioration; evaluation; nondestructive tests; radar; voids.

Date: 9/1/1984

Abstract:
Practical experiences in the use of downward looking penetrating radar (radar) as applied to non-destructive evaluation (NDE) of masonry structures such as bridge decks, roadways and tunnels are described. Various configurations of radar and data presentation are considered along with theoretical operational concepts. Specific operational examples are cited including automatic signal analysis and processing. Discussion of void and other defect detection is included. The ability of radar to rapidly gather data while moving in traffic at speeds in the neighborhood of ten miles per hour is reviewed and its implications for pavement management systens are commented on. Case histories are presented.