About: Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete

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About: Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete Goto Sponge NotDistinct Permalink

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	Fire resistance of concrete structures could be improved by add of polypropylene fibres in to the concrete mixture in butch from 1 to 2 kg per 1 m3 of fresh concrete. This method is effective, but it is not possible to use it for existing concrete and existing reinforced concrete structures. The new method which has good potential for fire protection of existing structures is based on creation of capillary pore and micro cracks system, which allowed water vapour evaporate from concrete. This study deals with determination of appropriate temperature in which is created adequate network of capillary pores and micro cracks which has no influence on strength and durability of the concrete. The formation of macro cracks and bigger pores could cause rapid reduction of compressive and tensile strength, decrease of resistance to aggressive substances and decrease of the frost resistance. The high performance concrete (HPC) has very low porosity, which can cause explosive spalling while the water vapour tries Fire resistance of concrete structures could be improved by add of polypropylene fibres in to the concrete mixture in butch from 1 to 2 kg per 1 m3 of fresh concrete. This method is effective, but it is not possible to use it for existing concrete and existing reinforced concrete structures. The new method which has good potential for fire protection of existing structures is based on creation of capillary pore and micro cracks system, which allowed water vapour evaporate from concrete. This study deals with determination of appropriate temperature in which is created adequate network of capillary pores and micro cracks which has no influence on strength and durability of the concrete. The formation of macro cracks and bigger pores could cause rapid reduction of compressive and tensile strength, decrease of resistance to aggressive substances and decrease of the frost resistance. The high performance concrete (HPC) has very low porosity, which can cause explosive spalling while the water vapour tries (en)
Title	Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete (en)
skos:prefLabel	Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete Usage of Heat Pretreatment for Reduction of Explosive Spalling of Usage of Heat Pretreatment for Reduction of Explosive Spalling of High Performance Concrete (en)
skos:notation	RIV/00216305:26110/14:PU112538!RIV15-MSM-26110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP104/12/1988), S
http://linked.open...iv/cisloPeriodika	1054
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bodnárová, Lenka Nováková, Iveta
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	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	52210
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/14:PU112538
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Capillary pores, explosive spalling, fire protection, high performance concrete (HPC), porosity. (en)
http://linked.open.../riv/klicoveSlovo	explosive spalling fire protection Capillary pores high performance concrete (HPC) porosity.
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[B002DBA75AD7]
http://linked.open...i/riv/nazevZdroje	AMR - Advanced Materials Research
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Study of interactions of components of cementitious composites exposed to high temperatures
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014
http://linked.open...iv/tvurceVysledku	Bodnárová, Lenka Diederichs, Ulrich Martin Nováková, Iveta
issn	1662-8985
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26110

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