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Statements

Subject Item
n2:RIV%2F00216305%3A26310%2F08%3APU75602%21RIV11-MSM-26310___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Under the denomination geopolymers, composites based on alkali activated metakaolin are preferably introduced (%22true%22 geopolymers, without calcium component), imitating natural zeolites. Their microstructure and properties are strongly dependent on the Si/Al/Na(K) ratio. As aggregate, finely ground quartz sand is preferebly used up to 80 - 90 % in the final mixture added as a last mineral component, regulating at the same time the demanded consistency. Superlasticizers are practically uneffective. The use of potassium instead of sodium compounds ensures high strengths and prevents the formation of efflorescence, KOH is prefered. As an alkailne activator, sodium or potassium silicate (water glass) need not be used. Treatment at higher temperatures increases the strengths. The zeolitic character of this amorphous geopolymeric material brings about its long-term durability and enables its use for castings in architecture and sculpture imitating the sandstone. Under the denomination geopolymers, composites based on alkali activated metakaolin are preferably introduced (%22true%22 geopolymers, without calcium component), imitating natural zeolites. Their microstructure and properties are strongly dependent on the Si/Al/Na(K) ratio. As aggregate, finely ground quartz sand is preferebly used up to 80 - 90 % in the final mixture added as a last mineral component, regulating at the same time the demanded consistency. Superlasticizers are practically uneffective. The use of potassium instead of sodium compounds ensures high strengths and prevents the formation of efflorescence, KOH is prefered. As an alkailne activator, sodium or potassium silicate (water glass) need not be used. Treatment at higher temperatures increases the strengths. The zeolitic character of this amorphous geopolymeric material brings about its long-term durability and enables its use for castings in architecture and sculpture imitating the sandstone.
dcterms:title
FIGURATIVE ELEMENTS IN ARCHITECTURE AND SCULPTURE FROM GEOPOLYMERS BASED ON ALKALI ACTIVATED METAKAOLIN FIGURATIVE ELEMENTS IN ARCHITECTURE AND SCULPTURE FROM GEOPOLYMERS BASED ON ALKALI ACTIVATED METAKAOLIN
skos:prefLabel
FIGURATIVE ELEMENTS IN ARCHITECTURE AND SCULPTURE FROM GEOPOLYMERS BASED ON ALKALI ACTIVATED METAKAOLIN FIGURATIVE ELEMENTS IN ARCHITECTURE AND SCULPTURE FROM GEOPOLYMERS BASED ON ALKALI ACTIVATED METAKAOLIN
skos:notation
RIV/00216305:26310/08:PU75602!RIV11-MSM-26310___
n4:aktivita
n10:P
n4:aktivity
P(2B08024), P(FT-TA3/026)
n4:dodaniDat
n15:2011
n4:domaciTvurceVysledku
n7:6606490 n7:7818823 n7:3779572 n7:6443060
n4:druhVysledku
n13:D
n4:duvernostUdaju
n21:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
367919
n4:idVysledku
RIV/00216305:26310/08:PU75602
n4:jazykVysledku
n12:eng
n4:klicovaSlova
Geopolymers, metakaolin, alkaline activation, zeolite precursors, efflorescence, castings
n4:klicoveSlovo
n9:metakaolin n9:alkaline%20activation n9:Geopolymers n9:castings n9:efflorescence n9:zeolite%20precursors
n4:kontrolniKodProRIV
[D351A7CB1D5C]
n4:mistoKonaniAkce
Brno
n4:mistoVydani
Brno
n4:nazevZdroje
Non-Traditional Cement and Concrete III
n4:obor
n18:CA
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n17:FT-TA3%2F026 n17:2B08024
n4:rokUplatneniVysledku
n15:2008
n4:tvurceVysledku
Šrámková, Eva Havlica, Jaromír Opravil, Tomáš Brandštetr, Jiří
n4:typAkce
n19:WRD
n4:zahajeniAkce
2008-06-10+02:00
s:numberOfPages
3
n11:hasPublisher
Neuveden
n20:isbn
978-80-214-3642-8
n8:organizacniJednotka
26310