Use of Concrete Dust as a Partial Cement Replacement

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00340948" target="_blank" >RIV/68407700:21110/20:00340948 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21720/20:00340948
Result on the web
<a href="https://doi.org/10.1063/5.0000432" target="_blank" >https://doi.org/10.1063/5.0000432</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1063/5.0000432" target="_blank" >10.1063/5.0000432</a>

Result language
angličtina
Original language name
Use of Concrete Dust as a Partial Cement Replacement
Original language description
The paper examines the possibilities of using concrete dust as a partial replacement of cement binder. This dust was obtained as a by-product during the crushing of recycled concrete and therefore it is a raw material whose composition is directly dependent on the type and quality of the recycled material. The main motivation of this research was the effort to use this by-product and while contributing to reducing the environmental impact of cement production. In this research, cement was replaced with concrete dust from 0 to 50% to the cement content and after 28 days tested its compressive strength. Experiments have shown a negative effect when using concrete dust as a cement replacement. Primarily it was a high decrease in compressive strength, which was caused not only by cement replacement, but also by presence of organic substances in dust. This then resulted in foaming of the fresh mixture and subsequently a higher loss of strength. Thus, only a limited amount of concrete dust can be added to the concrete, for example to optimization of particle size distribution.
Czech name
—
Czech description
—

Project
<a href="/en/project/TH02030649" target="_blank" >TH02030649: Environmentally Efficient Construction and Demolition Waste for Structures</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
SPECIAL CONCRETE AND COMPOSITES 2019: 16th International Conference
ISBN
978-0-7354-1961-2
ISSN
0094-243X
e-ISSN
1551-7616
Number of pages
5
Pages from-to
—
Publisher name
AIP Conference Proceedings
Place of publication
New York
Event location
Lísek, Bystřice nad Pernštejnem
Event date
Oct 16, 2019
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000557821500017

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