Internal imaging of concrete fracture based on elastic waves and ultrasound computed tomography - Publikacja - MOST Wiedzy

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Internal imaging of concrete fracture based on elastic waves and ultrasound computed tomography

Abstrakt

The condition assessment of concrete structures belongs to the greatest challenges of non-destructive testing. Monitoring the fracture process of concrete and detecting cracks at the earliest possible stage is a vital aspect to ensure the safety of civil engineering objects. The use of ultrasound tomography enables imaging the internal structure of a tested element. This study aims at the visualization of fracture damage in concrete cubes. The tests are performed on samples made of plain concrete and concrete with fibres. The main contribution of this work is the study of the application of ultrasound transmission tomography to imaging cracks in concrete prisms before and after mechanical degradation in a wedge splitting test. A novel method of determination of the time-of-flight of a wave propagating from a transmitter to a receiver is introduced. The effectiveness of the imaging of fracture damage obtained using ultrasound tomography is proved by X-ray micro-computed tomography.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
MEASUREMENT nr 202,
ISSN: 0263-2241
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Zielińska M., Rucka M.: Internal imaging of concrete fracture based on elastic waves and ultrasound computed tomography// MEASUREMENT -Vol. 202, (2022), s.111852-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.measurement.2022.111852
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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