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Abstract
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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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.measurement.2022.111852
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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MEASUREMENT
no. 202,
ISSN: 0263-2241 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Zielińska M., Rucka M.: Internal imaging of concrete fracture based on elastic waves and ultrasound computed tomography// MEASUREMENT -Vol. 202, (2022), s.111852-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.measurement.2022.111852
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
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