About: Modeling of Hydration of Concrete at Very Low Temperatures

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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	This paper describes a possible tool for estimation of potential risk arising from placing concrete in winter. It is well known that the hydration reaction depends of temperature and that the driving force for hydration is the diffusion of free water. Low ambient temperatures close to the freezing point or temperatures below zero during hydration have the potential to affect adversely the ultimate performance of concrete structures. Therefore, it is necessary to assess the risk and provide adequate countermeasures such as thermal insulation or direct heat sources to the hydrating concrete, of course, with the strong emphasis on their cost. The proposed model of hydration under very low temperatures is based on fuzzy logic and uses the commonly available data from concrete producers. The applicability of the model is shown in an example. This paper describes a possible tool for estimation of potential risk arising from placing concrete in winter. It is well known that the hydration reaction depends of temperature and that the driving force for hydration is the diffusion of free water. Low ambient temperatures close to the freezing point or temperatures below zero during hydration have the potential to affect adversely the ultimate performance of concrete structures. Therefore, it is necessary to assess the risk and provide adequate countermeasures such as thermal insulation or direct heat sources to the hydrating concrete, of course, with the strong emphasis on their cost. The proposed model of hydration under very low temperatures is based on fuzzy logic and uses the commonly available data from concrete producers. The applicability of the model is shown in an example. (en)
Title	Modeling of Hydration of Concrete at Very Low Temperatures Modeling of Hydration of Concrete at Very Low Temperatures (en)
skos:prefLabel	Modeling of Hydration of Concrete at Very Low Temperatures Modeling of Hydration of Concrete at Very Low Temperatures (en)
skos:notation	RIV/68407700:21110/14:00218424!RIV15-MSM-21110___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Vaitová, Michaela
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	29821
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/14:00218424
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	concrete; fuzzy logic; hydration; low temperature; numerical model (en)
http://linked.open.../riv/klicoveSlovo	numerical model concrete fuzzy logic hydration low temperature
http://linked.open...ontrolniKodProRIV	[E80A2C8C8D05]
http://linked.open...v/mistoKonaniAkce	Kaunas
http://linked.open...i/riv/mistoVydani	Kaunas
http://linked.open...i/riv/nazevZdroje	Proceedings of the 19th International Conference
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Štemberk, Petr Leal Da Silva, Wilson Ricardo Vaitová, Michaela
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-04-24 (xsd:date)
issn	1822-2951
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Kauno technologijos universitetas
http://localhost/t...ganizacniJednotka	21110

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