About: Effect of Temperature on Porosity of Concrete for Nuclear-Safety Structures

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Structure changes of the cement gels of concrete PENLY and TEMELIN are carried out under the influence of the heat load in the temperature range 25 - 910 oC. These changes are studied in the region of micro- and mesopores using the methods of physical adsorption of nitrogen and the mercury porosimetry. It was found out that the volume and surface of pores increase up to a temperature of 500 oC approx., corresponding to the decomposition of Ca(OH)2 on CaO. At the further increase of temperature, the volume and surface of pores decrease, so that the dependence of characteristic of pore space on temperature approximately parabolic. The causes of this phenomenon are discussed Structure changes of the cement gels of concrete PENLY and TEMELIN are carried out under the influence of the heat load in the temperature range 25 - 910 oC. These changes are studied in the region of micro- and mesopores using the methods of physical adsorption of nitrogen and the mercury porosimetry. It was found out that the volume and surface of pores increase up to a temperature of 500 oC approx., corresponding to the decomposition of Ca(OH)2 on CaO. At the further increase of temperature, the volume and surface of pores decrease, so that the dependence of characteristic of pore space on temperature approximately parabolic. The causes of this phenomenon are discussed (en)
Title	Effect of Temperature on Porosity of Concrete for Nuclear-Safety Structures Effect of Temperature on Porosity of Concrete for Nuclear-Safety Structures (en)
skos:prefLabel	Effect of Temperature on Porosity of Concrete for Nuclear-Safety Structures Effect of Temperature on Porosity of Concrete for Nuclear-Safety Structures (en)
skos:notation	RIV/68407700:21340/01:01065064!RIV/2002/MSM/213402/N
http://linked.open.../vavai/riv/strany	1023;1026
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	2002
http://linked.open...aciTvurceVysledku	Vydra, Vítězslav
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 jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	678784
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/01:01065064
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	high temperatures; microstructure; pore size distribution; thermal analysis (en)
http://linked.open.../riv/klicoveSlovo	thermal analysis microstructure high temperatures pore size distribution
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[62D720EE2F00]
http://linked.open...i/riv/nazevZdroje	Cement and Concrete Research
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	31
http://linked.open...iv/tvurceVysledku	Vydra, Vítězslav
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20210000020
issn	0008-8846
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	21340

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