Blended red brick powder/metakaolin geopolymers

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Blended red brick powder/metakaolin geopolymers

Popis výsledku v původním jazyce

The production of red-clay hollow bricks belongs to the sources of ceramic waste which is related to the current trend of utilization of the thin joint technology. Since the current technologies of hollow brick production do not enable to provide sufficiently smooth and even surfaces, the brick blocks have to be ground generating waste red brick powder. This product contains reactive aluminosilicate phases that can be used as precursors for the geopolymer binder. Geopolymers based on the blends of red brick powder and metakaolin having three different ratios of aluminosilicate components and two different alkaline activators were prepared. Substitution of metakaolin by red brick reduces the viscosity of a fresh mixture and diminishes the thixotropic behaviour of metakaolin geopolymer. Although the mechanical properties of pure red brick geopolymer are quite poor, the blends containing up to 50% of red brick show similar mechanical properties as pure metakaolin geopolymer.

Název v anglickém jazyce

Blended red brick powder/metakaolin geopolymers

Popis výsledku anglicky

The production of red-clay hollow bricks belongs to the sources of ceramic waste which is related to the current trend of utilization of the thin joint technology. Since the current technologies of hollow brick production do not enable to provide sufficiently smooth and even surfaces, the brick blocks have to be ground generating waste red brick powder. This product contains reactive aluminosilicate phases that can be used as precursors for the geopolymer binder. Geopolymers based on the blends of red brick powder and metakaolin having three different ratios of aluminosilicate components and two different alkaline activators were prepared. Substitution of metakaolin by red brick reduces the viscosity of a fresh mixture and diminishes the thixotropic behaviour of metakaolin geopolymer. Although the mechanical properties of pure red brick geopolymer are quite poor, the blends containing up to 50% of red brick show similar mechanical properties as pure metakaolin geopolymer.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

PAPERS AND POSTERS PROCEEDINGS 15th International Congress on the Chemistry of Cement

ISBN

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ISSN

2523-935X

e-ISSN

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Počet stran výsledku

8

Strana od-do

1-8

Název nakladatele

Research Institute of Binding Materials Prague

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

16. 9. 2019

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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