Properties of cement screeds using recycled fine aggregates with respect to cement percentage
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F24%3A00379872" target="_blank" >RIV/68407700:21110/24:00379872 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.14311/APP.2024.49.0026" target="_blank" >https://doi.org/10.14311/APP.2024.49.0026</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/APP.2024.49.0026" target="_blank" >10.14311/APP.2024.49.0026</a>
Alternative languages
Result language
angličtina
Original language name
Properties of cement screeds using recycled fine aggregates with respect to cement percentage
Original language description
This article deals with the effect of 100% replacement of natural aggregate by recycled aggregate and at the same time the effect of cement percentage on the observed properties of cement screeds. For these purposes, concrete and brick recycled aggregate is used in combination with CEM I 42.5R Portland cement, constituting 10 %, 15 %, 20 % and 25 % of the mixtures weight. To determine the properties of the cement screeds, test intervals of 3, 7, 14, 21 and 28 days are set, during which changes in bulk density are monitored. Simultaneously, destructive tests are carried out on test beams of 4 x 4 x 16 cm in size. The results found that the use of recycled fine aggregates allows the production of lighter cement screeds, for example, for reconstruction. Potentially usable mixes appear to be those containing 15 %, 20 % and 25 % cement compared to recycled aggregate. For the contaminated recyclate fine fraction, the flexural strength has been shown to improve. However, this improvement is not reflected in an increase in compressive strength.
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/SS03010302" target="_blank" >SS03010302: Development of efficient tools to minimize production of construction and demolition waste, its monitoring and reuse</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2024
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 2023 Nano & Macro Mechanics
ISBN
978-80-01-07378-0
ISSN
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e-ISSN
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Number of pages
5
Pages from-to
26-30
Publisher name
ACTA Polytechnica CTU
Place of publication
Prague
Event location
Praha
Event date
Sep 12, 2024
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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