Characterization and mechanical properties of non-cement binder based on Czech coal combustion by-products
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43918801" target="_blank" >RIV/60461373:22310/19:43918801 - isvavai.cz</a>
Result on the web
<a href="https://www.iccc2019.org/abstracts-and-papers/" target="_blank" >https://www.iccc2019.org/abstracts-and-papers/</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Characterization and mechanical properties of non-cement binder based on Czech coal combustion by-products
Original language description
This investigation was focused on the preparation and characterization of non-cement binder based on Czech ashes produced by brown coal power plants. Furthermore, some mechanical properties were measured to confirm its potential use in the construction industry. First, sulfocalcic ashes (SC ash, mostly called FBC ash) and their hydrated products were studied. A ternary binder (TB) was prepared using a pulverized coal combustion fly ash (PCC FA), sulfocalcic ash, Ca(OH)2 and a superplasticizer. Quantitative XRD analysis was used to determine the amount of amorphous phase by Rietveld method using an internal standard. The XRD mineralogy of the ternary binder was ettringite, quartz, mullite accompanied by minority phases as CaCO3, Ca(OH)2, anhydrite AII, hematite and TiO2. C-A-S-H phase (Al substituted tobermorite) was found in the ternary binder by SEM/EDX method and by MAS NMR analysis. Mechanical properties, especially the values of compressive strength, obtained from the ternary binder were comparable to that of Portland cement (PC). It was found the hydrated ternary binder exhibits a long-term resistance to the action of aggressive solutions of salts. The ternary binder seems to be a perspective economic material in comparison to PC for utilization in the construction industry.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
<a href="/en/project/FV30062" target="_blank" >FV30062: Possibilities of utilization of coal-ash from power stations stored at stock piles</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
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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Number of pages
9
Pages from-to
"neuvedeno"
Publisher name
Research Institute of Binding Materials Prague Ltd.
Place of publication
Prague
Event location
Praha
Event date
Sep 16, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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