Abstract
In this study, impact elastic-wave method was performed at the bottom surface of RC slab cut from an existing highway bridges to survey horizontal cracks. Before measurements by impact elastic-wave method, impact response analysis was applied to determine elastic wave input method, elastic wave detection method and frequency analysis method. Efficiency of analysis-aided impact elastic-wave method was confirmed by drilling and observing the interior of the RC slab by a rod-shaped scanner. Evaluation results by this method are similar to those of visual inspection. Thus, the feasibility of analysis-aided impact elastic-wave method on detection of horizontal cracks in RC slabs of highway bridges was demonstrated.
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References
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© 2013 RILEM
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Uchida, S., Kamada, T., Iwasaki, T., Tsunoda, H. (2013). Non-Destructive Evaluation for Horizontal Cracks in RC Slabs of Highway Bridges Based on Analysis-Aided Impact Elastic-Wave Methods. In: Güneş, O., Akkaya, Y. (eds) Nondestructive Testing of Materials and Structures. RILEM Bookseries, vol 6. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0723-8_118
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DOI: https://doi.org/10.1007/978-94-007-0723-8_118
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Publisher Name: Springer, Dordrecht
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Online ISBN: 978-94-007-0723-8
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