Ultrasound monitoring for evaluation of damage in reinforced concrete

• Autorzy: Rucka M. , Wilde K.

Identyfikatory

DOI

10.1515/bpasts-2015-0008

• Języki publikacji: EN

Abstrakty

EN

The paper deals with automated monitoring of damage evolution in concrete elements subjected to three-point bending tests. The monitoring is based on the nonlinear interactions of traveling ultrasonic waves with micro-crack zones inside the concrete specimens and surface-breaking cracks. The developed procedure assumes semi-continuous ultrasonic testing during the element full loading cycle and generation of the power spectral density maps for the on-line assessment of the degradation process. Two damage indicators are introduced to evaluate micro- and macro-damage. The preliminary experimental results show that the proposed automated monitoring system provides an effective method for the evaluation of progressive damage in concrete.

Słowa kluczowe

EN

concrete; degradation; microcracking; non-destructive evaluation; ultrasonic waves

PL

beton; degradacja; mikropęknięcia; fale ultradźwiękowe

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2015
• Tom: Vol. 63, nr 1
• Strony: 65--75
• Opis fizyczny: Bibliogr. 23, tab., wykr., fot.

Twórcy

autor

Rucka M.

• Department of Structural Mechanics, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdańsk, Poland

autor

Wilde K.

• Department of Structural Mechanics, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdańsk, Poland

Bibliografia

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