NDT of Mechanical Damaged Concrete Specimens by Nonlinear Acoustic Spectroscopy Method

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Date
2010-04-14
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Mark
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Ministry of Transport
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Abstract
Current research and development of non-linear ultrasonic spectroscopy methods shows these methods to be very promising for material testing and defectoscopy in the near future. Our experiments focused on the testing of lightweight concrete specimens using the single-frequency excitation method. We studied the concrete specimens structure after having been stressed by a mechanical force. Measurements were realized before and after mechanical loading.
Výzkum metod nelineární ultrazvukové spektroskopie ukazuje jejich velkou perspektivu pro defektoskopii v blízké budoucnosti. Publikované experimenty byly provedeny metodou s jedním budícím signálem na vzorcích z lehkého betonu. Analyzovali jsme strukturu vzorků před a po mechanickém zatížení.
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
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