Diagnostics of concrete plate in bending with ultrasonic waves modulated by low frequency oscillations
Błażej Meronk
Department of Structural Mechanics and Bridges; Faculty of Civil and Environmental Engineering; Gdansk University of Technology (Poland)
https://orcid.org/0000-0002-3154-5068
Krzysztof Wilde
Department of Structural Mechanics and Bridges; Faculty of Civil and Environmental Engineering; Gdansk University of Technology (Poland)
https://orcid.org/0000-0001-6878-3126
Abstract
The paper presents the experimental study on the inter-modulation method for the diagnostics of concrete elements. The tests were conducted on a concrete plate subjected to ultrasonic waves and low frequency vibrations. The nonlinear acoustic effects, recorded in the experiments, made it possible to detect the presence of damaged zones. Further studies are necessary to establish the relation between the sidebanes of frequency spectra and the size of the damaged zone.
Keywords:
ultrasonic testing, NDT, concrete elements, experimental studyReferences
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Authors
Błażej MeronkDepartment of Structural Mechanics and Bridges; Faculty of Civil and Environmental Engineering; Gdansk University of Technology Poland
https://orcid.org/0000-0002-3154-5068
Authors
Krzysztof WildeDepartment of Structural Mechanics and Bridges; Faculty of Civil and Environmental Engineering; Gdansk University of Technology Poland
https://orcid.org/0000-0001-6878-3126
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