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http://dx.doi.org/10.5658/WOOD.2015.43.4.486

Ultrasonic Nondestructive On-Site Evaluation of Decks in-Service  

Oh, Sei-Chang (Department of Forest Resources, Daegu University)
Publication Information
Journal of the Korean Wood Science and Technology / v.43, no.4, 2015 , pp. 486-493 More about this Journal
Abstract
The ultrasonic nondestructive test (NDT) was applied to deck in-service to inspect and evaluate the performance of decking materials using ultrasonic pulse velocity. First, the measuring method between direct and indirect method according to transducer arrangement was studied. Second, the ultrasonic pulse velocity of decks in-service was compared with the passage of time. Finally, the change of ultrasonic pulse velocity was evaluated to expect service life of decking materials. The results of comparison between direct and indirect method was statistically insignificant and the ratio of direct to indirect method was 1.02. 1.05 respectively. The ultrasonic pulse velocity of decks in-service was decreased as the passage of time and the linear relationship in the ultrasonic pulse velocity to passage of time was found. From the results, The ultrasonic NDT will be helpful as an efficient method of on-site management of decks in-service.
Keywords
ultrasonic nondestructive test; ultrasonic pulse velocity; decking material;
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Times Cited By KSCI : 1  (Citation Analysis)
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