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Title:Lightweight aggregates made from fly ash using the cold-bond process and their use in lightweight concrete
Authors:ID Frankovič, Ana (Author)
ID Bokan-Bosiljkov, Violeta (Author)
ID Ducman, Vilma (Author)
Files:.pdf PDF - Presentation file, download (1,65 MB)
MD5: A6802ACCC3F6337DBBA304AD80DAB72C
 
URL URL - Source URL, visit https://doi.org/10.17222/mit.2015.337
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:Aggregates made from fly ash have been developed by means of the cold-bonding process, with the addition of Portland cement as a binder at (10, 20, and 30) % of mass fractions, and by pouring the mixtures into moulds. After curing for 28 d the samples were processed into aggregate by crushing and sieving. An aggregate containing a weight percentage of 10 % of cement was additionally produced by pelletization on a granulating plate. The density, water-adsorption capacity, porosity, compressive strengths, and frost resistance of the samples were determined. The aggregates prepared by both routes were then used to make concrete samples, whose properties were then compared to those of conventional concrete made using limestone aggregate. The compressive strength of the concrete made with the granulated aggregate reached 16.0 MPa after 28 d, whereas that of the concrete made with crushed aggregate amounted to 24.1 MPa, and that of the conventional concrete was 34.6 MPa.
Keywords:fly ash, lightweight aggregates, density, compressive strength, frost resistance
Publication status:Published
Publication version:Version of Record
Publication date:19.04.2017
Publisher:Inštitut za kovinske materiale in tehnologije
Year of publishing:2017
Number of pages:str. 267-274
Numbering:Letn. 51, št. 2
PID:20.500.12556/DiRROS-20211 New window
UDC:67.017:666.96:620.173
ISSN on article:1580-2949
DOI:10.17222/mit.2015.337 New window
COBISS.SI-ID:8049505 New window
Copyright:© MATERIALI IN TEHNOLOGIJE
Publication date in DiRROS:14.08.2024
Views:501
Downloads:320
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FRANKOVIČ, Ana, BOKAN-BOSILJKOV, Violeta and DUCMAN, Vilma, 2017, Lightweight aggregates made from fly ash using the cold-bond process and their use in lightweight concrete. Materiali in tehnologije [online]. 2017. Vol. 51, no. 2, p. 267–274. [Accessed 6 April 2025]. DOI 10.17222/mit.2015.337. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=20211
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Record is a part of a journal

Title:Materiali in tehnologije
Shortened title:Mater. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1580-2949
COBISS.SI-ID:106193664 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0273
Name:Gradbeni objekti in materiali

Licences

License:Other
Description:The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is an open access journal, this means its free availability on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles, crawl them for indexing, pass them as data to software, or use them for any other non-commercial purposes, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself. The only constraint is on reproduction, and the only role for copyright in this domain, should be to give authors control over the integrity of their work and the right to be properly acknowledged and cited.

Secondary language

Language:Slovenian
Title:Lahki agregati izdelani iz elektrofiltrskega pepela s postopkom hladnega vezanja in njihova uporaba za lahke betone
Abstract:Agregati izdelani iz elektrofiltrskega pepela so bili razviti s postopkom hladnega vezanja, z dodatkom (10, 20 in 30) % masnega deleža Portland cementa kot veziva in z ulivanjem mešanice v modele. Po 28 dnevnem strjevanju vzorcev so bili vzorci predelani v agregat z drobljenjem in sejanjem. Sestava, ki je vsebovala 10 masnih % cementa, je bila še dodatno peletizirana na plošči za granuliranje. Določene so bile: gostota, kapaciteta absorpcije vode, poroznost, tlačna trdnost in odpornost na zamrzovanje. Sestave, izdelane na oba načina, so bile uporabljene za izdelavo betonskih vzorcev, katerih lastnosti so bile primerjane z lastnostmi običajno izdelanega betona z uporabo sestave apnenca. Tlačna trdnost betona, izdelanega z granulirano sestavo, je dosegla 16,0 MPa po 28 dneh, medtem, ko je pri betonu izdelanem iz drobljenega agregata, znašala 24,1 MPa, pri običajnem betonu pa je bila 34,6 MPa.
Keywords:elektrofiltrski pepel, lahki agregati, gostota, tlačna trdnost, odpornost na zamrzovanje


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