Micronized concrete powder as mircofiller in cement paste: influence on hydration and structure
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F21%3A00349897" target="_blank" >RIV/68407700:21110/21:00349897 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.14311/APP.2021.30.0109" target="_blank" >https://doi.org/10.14311/APP.2021.30.0109</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/APP.2021.30.0109" target="_blank" >10.14311/APP.2021.30.0109</a>
Alternative languages
Result language
angličtina
Original language name
Micronized concrete powder as mircofiller in cement paste: influence on hydration and structure
Original language description
The reuse of old concrete as a coarse and fine recycled aggregate in cement composites is relatively well researched, and therefore a very fine fraction of recycled concrete was used in this paper. When using a very fine fraction of recycled concrete, it is appropriate to focus primarily on less technologically demanding treatment processes with minimal costs and environmental impact. Therefore this paper focus on using the fine fraction of recycled concrete as a microfiller. For this purpose, the material is treated by high-speed milling process and micronized concrete powder (MCP) is produced. Using several micronized concrete powder types that differ by origin, separation process and fineness of grinding should help understand how MCP influences the hydration process and cement paste structure. The samples with 0, 10, 20, 30, 40 and 50 wt. % of MCP were made to determine proper dosage in cement paste. Specific surface, matrix density and DTG analysis of micronized concrete powder were carried out. The calorimetric measurement was used to confirm how microfiller affects the hydration process. Finally, bulk density and porosity measurements were performed to determine the effect of MCP and its amount on the cement paste structure.
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
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
NMM 2020 Nano & Macro Mechanics
ISBN
978-80-01-06840-3
ISSN
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e-ISSN
2336-5382
Number of pages
5
Pages from-to
109-113
Publisher name
České vysoké učení technické v Praze
Place of publication
Praha
Event location
Praha
Event date
Sep 17, 2020
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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