Effect of Temperature and Age of Concrete on Strength - Porosity Relation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F04%3A01099734" target="_blank" >RIV/68407700:21110/04:01099734 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Effect of Temperature and Age of Concrete on Strength - Porosity Relation
Original language description
The compressive strengths of unsealed samples of concrete at the age of 180 days and have been measured at temperatures 20 °C, 300 °C, 600 °C and 900 °C. All of tests were performed for cold material. We compared our results with those obtained in [10] for the same type of concrete (age 28, resp. 90 days and measured at temperature ranging from 20 °C to 280 °C). Dependencies of compressive strength and porosity were correlated together and compared for the samples of age 28, 90 and 180 days. Behaviour of concrete of the age 90, resp. 180 days confirms generally accepted hypothesis that with increasing porosity strength of the concrete decreases. It has to be stressed out, howerer, that concrete samples of the age 28 days exhibit totally opposite dependency
Czech name
Vliv teploty a stáří betonu na závislost pevnost - porozita
Czech description
Pevnost v tlaku a porozita betonu starého 180 dní byly měřeny při teplotách 20°C, 300°C, 600°C a 900°C. Měření byla korelována a srovnána s výsledky získanými na vzorcích betonu stejného typu ve stáří 28 a 90 dní

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JI - Composite materials
OECD FORD branch
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Publication year
2004
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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