Concrete with a high content of admixtures from modified fly ash

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F23%3A43930062" target="_blank" >RIV/60461373:22310/23:43930062 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21110/23:00379573

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Concrete with a high content of admixtures from modified fly ash

Popis výsledku v původním jazyce

The aim of this work was to replace cement with fly ash. Materials from two power plants were used, namely from the Tušimice and Mělník power plants. The fly ash were modified to meet the requirements of EN 450 1. Two treatment methods were used, namely grinding and sorting. From the resulting grinding, suitable materials were determined according to the resulting fineness of grinding. The resulting fineness was divided into fly ash N class and S class According to EN 206+A2, a k value design was used which allows the replacement of cement with fly ash up to a ratio (fly ash/cement) of 0,33, with a considered k-value of 0,4. For XC4 and XF4 environments, according to EN 206+A2, the water coefficient shall be a maximum of 0,45. In the cone settlement test, the consistency of the resulting concretes and the air content of the concretes were verified. Finally, the compressive strength was verified after 2, 7 and 28 days for all mixes. © 2023 40th Annual International Pittsburgh Coal Conference, PCC 2023. All rights reserved.

Název v anglickém jazyce

Concrete with a high content of admixtures from modified fly ash

Popis výsledku anglicky

The aim of this work was to replace cement with fly ash. Materials from two power plants were used, namely from the Tušimice and Mělník power plants. The fly ash were modified to meet the requirements of EN 450 1. Two treatment methods were used, namely grinding and sorting. From the resulting grinding, suitable materials were determined according to the resulting fineness of grinding. The resulting fineness was divided into fly ash N class and S class According to EN 206+A2, a k value design was used which allows the replacement of cement with fly ash up to a ratio (fly ash/cement) of 0,33, with a considered k-value of 0,4. For XC4 and XF4 environments, according to EN 206+A2, the water coefficient shall be a maximum of 0,45. In the cone settlement test, the consistency of the resulting concretes and the air content of the concretes were verified. Finally, the compressive strength was verified after 2, 7 and 28 days for all mixes. © 2023 40th Annual International Pittsburgh Coal Conference, PCC 2023. All rights reserved.

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

9

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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