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KOCÁB, D. VYMAZAL, T. KOMÁRKOVÁ, T. LIŠOVSKÝ, M.
Originální název
Methods for evaluation of freeze-thaw resistance of concrete and their comparison
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
angličtina
Originální abstrakt
This paper deals with a determination of freeze-thaw resistance of concrete and the evaluation is based on monitoring of three properties of concrete. Six concretes produced with identical components were prepared for the experiment. The concretes only differ in the amount of cement and plasticizing and air-entraining admixtures. The concretes were subjected to freezing and thawing cycles and their dynamic moduli of elasticity and flexural strengths were determined after 50 and 100 cycles. The moduli of elasticity were determined using the resonance and ultrasonic pulse velocity methods. The output of the paper is an evaluation of how the individual properties react to the damage to the internal structure of the concrete. It was found that the highest decrease occurred in flexural strength whereas the lowest decrease was observed in the case of the relative dynamic modulus of elasticity determined by the ultrasonic pulse velocity method.
Klíčová slova
Concrete; freeze-thaw resistance; non-destrutive testing; RDM, resonance method; ultrasonic pulse velocity method
Autoři
KOCÁB, D.; VYMAZAL, T.; KOMÁRKOVÁ, T.; LIŠOVSKÝ, M.
Vydáno
18. 8. 2023
Nakladatel
AIP Conference Proceedings
Místo
College Park, Maryland
ISBN
978-0-7354-4514-7
Kniha
Special Concrete and Composites 2021
ISSN
0094-243X
Periodikum
AIP conference proceedings
Ročník
2780
Číslo
2023
Stát
Spojené státy americké
Strany od
020032-1
Strany do
020032-5
Strany počet
5