Bond strength of reinforcing bars in hybrid fiber-reinforced SCC with binary, ternary and quaternary blends of steel and PVA fibers

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dc.authorid0000-0002-2054-3323en_US
dc.contributor.authorKına‬, ‪Ceren
dc.contributor.authorTürk, Kazım
dc.date.accessioned2021-07-15T08:17:30Z
dc.date.available2021-07-15T08:17:30Z
dc.date.issued2021en_US
dc.departmentMTÖ Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.descriptionFormerly known as:Materiaux et constructionsen_US
dc.description.abstractIn this study, the effect of inclusion of single fiber and binary, ternary and quaternary fiber hybridization on the bond performance of high strength self-compacting concrete (SCC) was investigated and 12 beam specimens having lap-spliced reinforcing bars in tension at the mid-span were designed. Four different fibers were used with different hybridizations. Fiber reinforced concrete beams demonstrated higher failure loads with a greater number of cracks. Especially the specimens with ternary fiber hybridization showed the best performance that the ultimate load resistance was 60% higher than that of the specimen without fiber. After splitting failure, the beam specimens with binary hybridization of macro steel fiber and polyvinyl-alcohol (PVA) fiber and also, the specimens with ternary hybridization of macro steel fiber, micro steel fiber with 13 mm in length (OL 13/.16) and PVA fiber showed a gradually drop in performance with increasing deflections. Besides, results indicate that the least improvement in bond strength was observed in the specimen having quaternary fiber hybridization of macro steel fiber, OL 13/.16 and micro steel fiber with 6 mm in length (OL 6/.16) and PVA fiber. The bond strength results were also compared with the ones calculated from the existing prediction equations. It was found that Zuo and Darwin and Esfahani and Rangan equations gave better results than the equations of Orangun et al. and ACI 318 on the hybrid fiber reinforced SCC. Based on the results, it was indicated that in these proposals, a new parameter was necessary for the fiber content so in this study, a new empirical equation was derived by using fiber reinforced index for fiber reinforced SCC. The proposed equation gave better estimation in the specimens with single fiber and binary and ternary fiber hybridization.en_US
dc.identifier.citationKina, C., & Turk, K. (2021). Bond strength of reinforcing bars in hybrid fiber-reinforced SCC with binary, ternary and quaternary blends of steel and PVA fibers. Materials and Structures, 54(4), 1-17.en_US
dc.identifier.doi10.1617/s11527-021-01733-7
dc.identifier.endpage17en_US
dc.identifier.issn1359-5997en_US
dc.identifier.issn1871-6873en_US
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85108850932en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1617/s11527-021-01733-7
dc.identifier.urihttps://link.springer.com/article/10.1617/s11527-021-01733-7
dc.identifier.urihttps://hdl.handle.net/20.500.12899/282
dc.identifier.volume54en_US
dc.identifier.wosWOS:000691573000003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKına, Ceren
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofMaterials and Structuresen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHybrid fiberen_US
dc.subjectBond strengthen_US
dc.subjectTension lap spliceen_US
dc.subjectDuctilityen_US
dc.subjectEstimationen_US
dc.titleBond strength of reinforcing bars in hybrid fiber-reinforced SCC with binary, ternary and quaternary blends of steel and PVA fibersen_US
dc.typeArticleen_US

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