Sustainable single and hybrid fiber reinforcement of ternary geopolymer composites with waste marble powder: Synergistic effects of micro steel, basalt, and carbon fibers

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dc.authorid0000-0002-3005-6123
dc.authorid0000-0002-6590-3775
dc.contributor.authorBenli, Ahmet
dc.contributor.authorDheyaaldin, Mahmood Hunar
dc.contributor.authorÖz, Ali
dc.contributor.authorBekem Kara, İlknur
dc.contributor.authorKaplan, Gökhan
dc.contributor.authorAydın, Abdulkadir Cüneyt
dc.date.accessioned2025-06-17T11:22:15Z
dc.date.available2025-06-17T11:22:15Z
dc.date.issued2025
dc.departmentAÇÜ, Borçka Acarlar Meslek Yüksekokulu, İnşaat Teknolojisi Bölümü
dc.description.abstractOrdinary Portland cement (OPC) production raises environmental concerns, driving research into sustainable alternatives like alkali-activated geopolymer composites (GPC). This study examines the mechanical, durability, and thermal properties of ternary GPCs made with 85% fly ash, 15% metakaolin, and 5% silica fume. Steel, basalt, and carbon (CF) fibers were added in varying amounts to assess their impact. Waste marble powder (WMP) and quartz aggregate (QA) served as fillers to enhance strength and durability. GPCs were cured at 90°C for 16 h and tested for compressive strength, flexural strength, dry unit weight, porosity, water absorption, sorptivity, freeze–thaw resistance, and high-temperature resistance at 200, 400, and 800°C. Fiber reinforcement significantly improved mechanical properties, with CF showing the best performance. The highest compressive strength (40.23 MPa, +21.49%) was recorded in the 1.5% CF mix. CF-reinforced mixtures also had the lowest porosity (6.76%) and water absorption (6.55%), improving durability. At high temperatures, all mixtures gained strength at 200°C due to matrix densification. Strength loss at 800°C ranged from 10.1% to 20.6%, with CF-reinforced composites exhibiting the highest thermal resistance. Freeze–thaw tests showed that CF mixtures had the lowest strength loss (12.7%), confirming their durability benefits. These findings demonstrate that hybrid fiber reinforcement enhances the performance of geopolymer composites, making them suitable for structural applications requiring superior strength, durability, and thermal stability.
dc.identifier.doi10.1002/suco.70173
dc.identifier.issn14644177
dc.identifier.scopus2-s2.0-105007527953
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/11494/5528
dc.identifier.wosWOS:001501076200001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorBekem Kara, İlknur
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc
dc.relation.ispartofStructural Concrete
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectDurability
dc.subjectHybrid fiber reinforcement
dc.subjectMicro steel
dc.subjectBasalt
dc.subjectand carbon fibers
dc.subjectTernary geopolymer composites
dc.subjectWaste marble powder
dc.titleSustainable single and hybrid fiber reinforcement of ternary geopolymer composites with waste marble powder: Synergistic effects of micro steel, basalt, and carbon fibers
dc.typeArticle

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