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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F12%3A00206744%21RIV14-MSM-21110___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Alkaline activation of fly ash provides further possibilities of application of the material in various fields of civil engineering. A great asset of this material is its high resistance to an aggressive environment, both acid and alkaline. The effect of the amount of heat and time given during the process of alkaline activation to physical and mechanical parameters of the cement-free concrete is summarised in this paper. Another possible application of alkaline-activated fly ash is a development of porous material. Porosity is achieved by gas forming addition of metal or powdered amorphous silica admixture, or by adding a foam forming additive. An advantage of thus formed material is mainly energy saving and reduction of some stages of current production process of geopolymer concrete while reaching similar mechanical qualities. Alkaline-activated fly ash can be well used as a substitute for cement when manufacturing specific cement-containing products. Currently, the material is mainly used as a cement substitute in cement chipboards. A maximal attention is paid to using the current technological and production processes when developing mixtures for fly ash chipboards. Alkaline activation of fly ash provides further possibilities of application of the material in various fields of civil engineering. A great asset of this material is its high resistance to an aggressive environment, both acid and alkaline. The effect of the amount of heat and time given during the process of alkaline activation to physical and mechanical parameters of the cement-free concrete is summarised in this paper. Another possible application of alkaline-activated fly ash is a development of porous material. Porosity is achieved by gas forming addition of metal or powdered amorphous silica admixture, or by adding a foam forming additive. An advantage of thus formed material is mainly energy saving and reduction of some stages of current production process of geopolymer concrete while reaching similar mechanical qualities. Alkaline-activated fly ash can be well used as a substitute for cement when manufacturing specific cement-containing products. Currently, the material is mainly used as a cement substitute in cement chipboards. A maximal attention is paid to using the current technological and production processes when developing mixtures for fly ash chipboards.
dcterms:title
APLICATION OF ALKALI ACTIVATED FLY ASH IN CIVIL ENGINEERING APLICATION OF ALKALI ACTIVATED FLY ASH IN CIVIL ENGINEERING
skos:prefLabel
APLICATION OF ALKALI ACTIVATED FLY ASH IN CIVIL ENGINEERING APLICATION OF ALKALI ACTIVATED FLY ASH IN CIVIL ENGINEERING
skos:notation
RIV/68407700:21110/12:00206744!RIV14-MSM-21110___
n16:predkladatel
n17:orjk%3A21110
n3:aktivita
n20:S n20:P
n3:aktivity
P(GAP104/12/0102), S
n3:dodaniDat
n4:2014
n3:domaciTvurceVysledku
n6:4145798 n6:3533743 n6:4731328 n6:6208320 n6:1804782
n3:druhVysledku
n11:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
123078
n3:idVysledku
RIV/68407700:21110/12:00206744
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Alkaline-activated fly ash; POPbeton; Geopolymers; Concrete
n3:klicoveSlovo
n14:Alkaline-activated%20fly%20ash n14:Geopolymers n14:Concrete n14:POPbeton
n3:kontrolniKodProRIV
[E8542828959B]
n3:mistoKonaniAkce
Hradec Králové
n3:mistoVydani
Praha
n3:nazevZdroje
19. betonářské dny 2012 - sborník příspěvků
n3:obor
n21:JN
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n10:GAP104%2F12%2F0102
n3:rokUplatneniVysledku
n4:2012
n3:tvurceVysledku
Svoboda, Pavel Skřičík, Petr Šulc, Rostislav Poláček, Jaromír Váchal, Tomáš
n3:typAkce
n9:CST
n3:zahajeniAkce
2012-11-23+01:00
s:numberOfPages
5
n7:hasPublisher
Česká betonářská společnost ČSSI
n13:isbn
978-80-87158-32-6
n12:organizacniJednotka
21110