About: Factors afecting formation on ettringite, thaumasite and gypsum in concrete

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About: Factors afecting formation on ettringite, thaumasite and gypsum in 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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	www.acmcentre.com/cmmc
Description	Sulphate attack is one of several mechanisms of concrete deterioration. Laboratory imbibition experiments with sodium sulphate solution using samples of concrete from bridge constructions were done. Results of these experiments were obtained using chemical analysis of binder and theoretical calculation of concentrations of sodium and sulphate ions in the porous system. Further, electron microscopy and microanalysis was used to identify sulphates. The construction of theoretical curves of the chemical balance of ettringite and gypsum was done for reasons of modeling of partial conditions of crystallization of these minerals. The curves were constructed using a geochemical software PHREEQC for Windows. The experimental curves were compared to the real conditions of simultaneous crystallization of ettringite and gypsum. Sulphate attack is one of several mechanisms of concrete deterioration. Laboratory imbibition experiments with sodium sulphate solution using samples of concrete from bridge constructions were done. Results of these experiments were obtained using chemical analysis of binder and theoretical calculation of concentrations of sodium and sulphate ions in the porous system. Further, electron microscopy and microanalysis was used to identify sulphates. The construction of theoretical curves of the chemical balance of ettringite and gypsum was done for reasons of modeling of partial conditions of crystallization of these minerals. The curves were constructed using a geochemical software PHREEQC for Windows. The experimental curves were compared to the real conditions of simultaneous crystallization of ettringite and gypsum. (en)
Title	Factors afecting formation on ettringite, thaumasite and gypsum in concrete Factors afecting formation on ettringite, thaumasite and gypsum in concrete (en)
skos:prefLabel	Factors afecting formation on ettringite, thaumasite and gypsum in concrete Factors afecting formation on ettringite, thaumasite and gypsum in concrete (en)
skos:notation	RIV/00216224:14310/05:00012365!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/02/0990), Z(MSM0021622418)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Všianský, Dalibor Gregerová, Miroslava
http://linked.open.../riv/druhVysledku	A(V) - Audiovizuální tvorba se vzdáleným přístupem
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	521326
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/05:00012365
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aggregate; chemical ballance; deterioration; ettringite; thaumasite; gypsum (en)
http://linked.open.../riv/klicoveSlovo	aggregate gypsum deterioration ettringite chemical ballance thaumasite
http://linked.open...i/riv/kodPristupu	V
http://linked.open...ontrolniKodProRIV	[EFE228CE73F1]
http://linked.open...in/vavai/riv/obor	AH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Research into non-force effects and aggressive environment affecting the ageing of historical structures with special emphasis on Charles bridge in Prague
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Všianský, Dalibor Gregerová, Miroslava
http://linked.open...n/vavai/riv/zamer	DYNAMICKÁ GEOVIZUALIZACE V KRIZOVÉM MANAGEMENTU
http://localhost/t...ganizacniJednotka	14310

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