Possibilities of partial replacement of cement with sulfocalcic binder based on FBC ash

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43930064" target="_blank" >RIV/60461373:22310/23:43930064 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21110/23:00375874

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Possibilities of partial replacement of cement with sulfocalcic binder based on FBC ash

Popis výsledku v původním jazyce

The reduction of CO2 emissions brings new challenges to the construction industry, which are, among other things, related to the preparation of alternative hydraulic binders with a lower carbon footprint. The article deals with the use of a sulfocalcic binder (SFX binder) based on FBC ash as an admixture in concrete. A total of six mixtures containing from 10 to 100 wt.% of SFX binder were prepared. In addition, a reference mixture containing Portland cement was prepared. Selected properties on fresh slurries such as consistency and setting times were studied. The hardened mixtures were subjected to volume stability test and compressive and bending strength tests. Very good properties of binders containing FBC ash compared to Portland cement were found. The initial setting time ranged from 93 to 250 minutes and the final setting time ranged from 168 to 336 minutes. The compressive strength of hardened slurries containing FBC ash ranged from 107 MPa to 127 MPa after 28 days. Although the phase analysis revealed that the main crystalline phase is ettringite, no volume changes were recorded in the hardened bodies.

Název v anglickém jazyce

Possibilities of partial replacement of cement with sulfocalcic binder based on FBC ash

Popis výsledku anglicky

The reduction of CO2 emissions brings new challenges to the construction industry, which are, among other things, related to the preparation of alternative hydraulic binders with a lower carbon footprint. The article deals with the use of a sulfocalcic binder (SFX binder) based on FBC ash as an admixture in concrete. A total of six mixtures containing from 10 to 100 wt.% of SFX binder were prepared. In addition, a reference mixture containing Portland cement was prepared. Selected properties on fresh slurries such as consistency and setting times were studied. The hardened mixtures were subjected to volume stability test and compressive and bending strength tests. Very good properties of binders containing FBC ash compared to Portland cement were found. The initial setting time ranged from 93 to 250 minutes and the final setting time ranged from 168 to 336 minutes. The compressive strength of hardened slurries containing FBC ash ranged from 107 MPa to 127 MPa after 28 days. Although the phase analysis revealed that the main crystalline phase is ettringite, no volume changes were recorded in the hardened bodies.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/FW01010195" target="_blank" >FW01010195: Pokročilé výrobní technologie pro strategické využití a skladování vedlejších energetických produktů (VEP)</a><br>

Návaznosti

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

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název statě ve sborníku

40th Annual International Pittsburgh Coal Conference, PCC 2023

ISBN

978-1-890977-38-2

ISSN

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e-ISSN

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Počet stran výsledku

10

Strana od-do

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Název nakladatele

International Pittsburgh Coal Conference

Místo vydání

Istanbul

Místo konání akce

Istanbul

Datum konání akce

4. 10. 2023

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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