About: The Effect of Temperature on Strength - Porosity Relationship for Concrete

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper, the unsealed concrete samples are tested to determine the compressive strengths and porosities while hot at various temperatures ranging from 25 to 280 °C. All measurements have been carried out after cooling the of the material. Porosity of the same concrete was measured using high-pressure mercury porosimetry, performed on a set of small-drilled fragments (of the average volume 0.5 cm3) of hardened cement paste. While the concrete at the age of 90 days exhibits expected dependency between compressive strength S and porosity P (i.e., S to be a decreasing function of P), specimens at the age of 28 days behave exactly conversely in this sense. Consequently, it seems to be that for the latter case the porosity does not influence dominantly the strength of concrete In this paper, the unsealed concrete samples are tested to determine the compressive strengths and porosities while hot at various temperatures ranging from 25 to 280 °C. All measurements have been carried out after cooling the of the material. Porosity of the same concrete was measured using high-pressure mercury porosimetry, performed on a set of small-drilled fragments (of the average volume 0.5 cm3) of hardened cement paste. While the concrete at the age of 90 days exhibits expected dependency between compressive strength S and porosity P (i.e., S to be a decreasing function of P), specimens at the age of 28 days behave exactly conversely in this sense. Consequently, it seems to be that for the latter case the porosity does not influence dominantly the strength of concrete (en) Na betonových vzorcích byla stanovena pevnost v tlaku a porozita v teplotním rozmezí 25°C až 280°C. Beton ve stáří 90 dní vykazuje očekávanou závislost mezi pevností a porozitou (pevnost klesá s rostoucí porozitou). U vzorků starých 28 dní je sledovaná závislost opačná (cs)
Title	Vliv teploty na závislost pevnost - porozita v betonu (cs) The Effect of Temperature on Strength - Porosity Relationship for Concrete The Effect of Temperature on Strength - Porosity Relationship for Concrete (en)
skos:prefLabel	Vliv teploty na závislost pevnost - porozita v betonu (cs) The Effect of Temperature on Strength - Porosity Relationship for Concrete The Effect of Temperature on Strength - Porosity Relationship for Concrete (en)
skos:notation	RIV/68407700:21110/04:01099227!RIV/2005/MSM/211105/N
http://linked.open.../vavai/riv/strany	529 ; 534
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 210000020)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Kapičková, Olga Vodák, František Trtík, Karel Demo, Pavel Hošková, Šárka
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	562052
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/04:01099227
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	compressive strength; pore size distribution; temperature dependency (en)
http://linked.open.../riv/klicoveSlovo	temperature dependency compressive strength pore size distribution
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[2AE65D9663F0]
http://linked.open...i/riv/nazevZdroje	Construction and Building Materials
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	18
http://linked.open...iv/tvurceVysledku	Demo, Pavel Hošková, Šárka Kapičková, Olga Trtík, Karel Vodák, František
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20210000020
issn	0950-0618
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	21110

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