Predicting the Durability of Solid Fired Bricks Using NDT Electroacoustic Methods
Status PubMed-not-MEDLINE Jazyk angličtina Země Švýcarsko Médium electronic
Typ dokumentu časopisecké články
Grantová podpora
FAST-J-22-8036
Brno University of Technology
PubMed
36079264
PubMed Central
PMC9457344
DOI
10.3390/ma15175882
PII: ma15175882
Knihovny.cz E-zdroje
- Klíčová slova
- defects in the internal structure, machine learning, material durability, non-destructive testing, resonant pulse method, solid fired brick,
- Publikační typ
- časopisecké články MeSH
Historical buildings and monuments are largely made of brickwork. These buildings form the historical and artistic character of cities, and how we look after them is a reflection of our society. When assessing ceramic products, great emphasis is placed on their mechanical properties, whilst their durability is often neglected. However, the durability or resistance to weathering of masonry elements is just as important as their mechanical properties. Therefore, this work deals with predicting the durability of solid-fired bricks before they are used when reconstructing monuments and historical buildings. Durability prediction is assessed by identifying defects in the material's internal structure. These faults may not be visible on the element's surface and are difficult to detect. For this purpose, non-destructive electroacoustic methods, such as the resonant pulse method or the ultrasonic pulse method, were used. Based on an analysis of the initial and residual mechanical properties after freezing cycles, four durability classes of solid-fired bricks were determined. This work aimed to find a way to predict the durability (lifetime) of an anonymous solid-fired brick, expressed in terms of the number of freeze cycles the brick would last, based on non-destructive measurements.
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