Mechanical Performance Enhancement of AlkaliActivated Composites Using Synthetic Fibers with Metazeolite and Aluminum Sludge-Based Recycled Concrete Aggregates

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dc.contributor.authorAygün, Beyza Fahriye
dc.contributor.authorUysal, Mücteba
dc.contributor.authorÇingi, Ramazan
dc.date.accessioned2024-11-25T14:08:29Z
dc.date.available2024-11-25T14:08:29Z
dc.date.issued2024
dc.departmentİstanbul Gelişim Üniversitesi
dc.description.abstractThis study examines the substantial enhancement in the performance of alkali-activated composites (AACs) produced from a distinctive combination of metazeolite (MZ) and slag (S), reinforced with synthetic fibers, and augmented with aluminum sludge (AS) and recycled concrete aggregate (RCA). The composites were subjected to activation through the use of a specific sodium hydroxide (NaOH) and sodium silicate (Na₂SiO₃) blend in a 2:1 ratio, with an activator-to-binder ratio of 0.95. Through a process of experimentation, the research team identified an optimal mix by varying the molarities of sodium hydroxide (NaOH) between 8M and 14M and the ratios of metazeolite to slag between 25% and 100%. The aforementioned mixture, comprising 50% MZ and 50% S, was activated with 12M NaOH and enhanced with 30% aluminum sludge, exhibiting remarkable strength characteristics. Furthermore, the incorporation of synthetic fibres, including polyethylene (PEF), polyamide (PAF), and basalt fibers (BF), resulted in a notable enhancement of the material's performance. It is noteworthy that the addition of basalt fibers at a concentration of 0.5% resulted in a 7% increase in compressive strength and a 24% improvement in flexural strength. This pioneering research illuminates the transformative potential of MZ-S-based AACs, particularly when combined with AS and BF, paving the way for the development of sustainable construction materials that meet contemporary performance and environmental standards.
dc.identifier.citationAygün, B. F., Uysal, M., & Çingi, R. (2024). Mechanical Performance Enhancement of Alkali-Activated Composites Using Synthetic Fibers with Metazeolite and Aluminum Sludge-Based Recycled Concrete Aggregates. International Journal of Engineering Technologies IJET, 9(2), 63-72. https://doi.org/10.19072/ijet.1486080
dc.identifier.doihttps://doi.org/10.19072/ijet.1486080
dc.identifier.endpage72
dc.identifier.issn2149-0104
dc.identifier.issn2149-5262
dc.identifier.issue2
dc.identifier.startpage63
dc.identifier.urihttps://hdl.handle.net/11363/8965
dc.identifier.volume9
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherİstanbul Gelişim Üniversitesi Yayınları / Istanbul Gelisim University Press
dc.relation.ispartofInternational Journal of Engineering Technologies IJET
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Başka Kurum Yazarı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAlkali-activated composites
dc.subjectMetazeolite
dc.subjectSynthetic fibers
dc.subjectMechanical properties
dc.titleMechanical Performance Enhancement of AlkaliActivated Composites Using Synthetic Fibers with Metazeolite and Aluminum Sludge-Based Recycled Concrete Aggregates
dc.typeArticle

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IJET Vol. 9, Issue 2, June 2024