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Title:Optimization and mechanical-physical characterization of geopolymers with construction and demolition waste (CDW) aggregates for construction products
Authors:ID Panizza, Matteo (Author)
ID Natali, Marco (Author)
ID Garbin, Enrico (Author)
ID Ducman, Vilma (Author)
ID Tamburini, Sergio (Author)
Files:URL URL - Source URL, visit https://www.sciencedirect.com/science/article/pii/S0950061820321632?via%3Dihub
Description: Odprti dostop
 
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MD5: 4040D9987FD1D1404E72E22E5930BC50
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:The paper presents the mechanical and physical characterization of a metakaolin-slag-fly ash-potassium silicate geopolymer mortar embedding inorganic recycled aggregates from Construction and Demolition Waste (CDW). The binder was holistically optimized to comply with the pilot plant requirements for producing architectural panels of satisfactory quality, among them: reduced viscosity, minimum open time of 1 h, use of commercial reagents, sufficient strength and limited shrinkage. Size and aspect ratio of small scale cylindrical specimens were investigated in compression, comparing the performance of tested geopolymers to available provisions for natural rocks, cement concrete and mortars. Empirical correlations between compressive and splitting tensile strength were calibrated through the results of about 130 geopolymer mixtures produced in former and current activities. Lastly, the suitability of reusing geopolymers at their end-of-life as recycled aggregates in a new geopolymer production was preliminarily assessed to explore the feasibility of a closed-loop process.
Keywords:construction and demolition waste, alkali activated materials, geopolymers, properties
Publication status:Published
Publication version:Version of Record
Publication date:28.07.2020
Publisher:Scientific & Technical Press
Year of publishing:2020
Number of pages:str. 1-17
Numbering:Vol. 264
PID:20.500.12556/DiRROS-16464 New window
UDC:620.1/.2
ISSN on article:0950-0618
DOI:10.1016/j.conbuildmat.2020.120158 New window
COBISS.SI-ID:24237571 New window
Copyright:© 2020 The Authors. Published by Elsevier Ltd
Note:Št. članka: 120158;
Publication date in DiRROS:17.08.2023
Views:877
Downloads:456
Metadata:XML DC-XML DC-RDF
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PANIZZA, Matteo, NATALI, Marco, GARBIN, Enrico, DUCMAN, Vilma and TAMBURINI, Sergio, 2020, Optimization and mechanical-physical characterization of geopolymers with construction and demolition waste (CDW) aggregates for construction products. Construction & building materials [online]. 2020. Vol. 264, p. 1–17. [Accessed 19 March 2025]. DOI 10.1016/j.conbuildmat.2020.120158. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=16464
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Record is a part of a journal

Title:Construction & building materials
Shortened title:Constr. build. mater.
Publisher:Scientific & Technical Press
ISSN:0950-0618
COBISS.SI-ID:25270784 New window

Document is financed by a project

Funder:EC - European Commission
Funding programme:H2020
Project number:723916
Name:Innovative pre-fabricated components including different waste construction materials reducing building energy and minimising environmental impacts
Acronym:InnoWEE

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:14.07.2020
Applies to:Text and Data Mining valid from 2020-12-01 Version of Record valid from 2020-07-14

Secondary language

Language:Slovenian
Keywords:gradbeni odpad, alkalijsko aktivirani materiali, geopolimeri, lastnosti


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