Deflection-hardening hybrid fiber reinforced concrete: The effect of aggregate content

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dc.authoridBANYHUSSAN, Qais/0000-0002-5927-0633
dc.authoridDemirhan, Serhat/0000-0001-5448-9495
dc.contributor.authorBanyhussan, Qais Sahib
dc.contributor.authorYildirim, Gurkan
dc.contributor.authorBayraktar, Ender
dc.contributor.authorDemirhan, Serhat
dc.contributor.authorSahmaran, Mustafa
dc.date.accessioned2025-01-06T17:38:21Z
dc.date.available2025-01-06T17:38:21Z
dc.date.issued2016
dc.description.abstractHigh Performance Fiber Reinforced Concretes (HPFRC) are emerging materials with superior mechanical properties accounting for crack occurrence and propagation under excessive tensile loads along with the many commonly encountered durability issues. One drawback of such materials is the restricted size and amount of coarse aggregates used in mixtures incorporating single or hybrid fibers (in most cases). This, therefore, increases the amount of binder resulting in higher cost, dimensional instability and cracking potential (especially at early ages). In this study, HPFRC mixtures with a maximum aggregate size of 12 mm were developed with maximal variation in coarse aggregate contents without compromising deflection-hardening behavior. Three different fibers were used at a maximum of 2% of volume in single or hybrid systems: polyvinyl-alcohol (P), hooked-end steel (S) and nylon (N) fibers. To function synergistically with different fiber types and high amounts of coarse aggregates, matrix properties were optimized by varying the proportions of fly ash to Portland cement (FA/PC ratios of 0.20, 0.45, and 0.70, by weight) and aggregate to binder (A/B ratios of 1.0, 1.5, and 2.0, by weight). Experimental results showed that a deflection-hardening response can be obtained from HPFRC mixtures with single or hybrid fiber systems regardless of the FA/PC ratio, A/B ratio, and initial curing age selected without endangering the compressive and flexural strength results. It is believed that production of hybrid fiber composite mixtures with high concentrations of coarse aggregates and industrial by-products can contribute to superior mechanical and durability performance, enhanced greenness, as well as the widespread usage of such materials in the field at a reasonable price compared to their counterparts. (C) 2016 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.conbuildmat.2016.08.020
dc.identifier.endpage52
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.scopus2-s2.0-84981484614
dc.identifier.scopusqualityQ1
dc.identifier.startpage41
dc.identifier.urihttps://doi.org/10.1016/j.conbuildmat.2016.08.020
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2561
dc.identifier.volume125
dc.identifier.wosWOS:000385600100005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofConstruction and Building Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectHigh Performance Fiber Reinforced Concrete (HPFRC)
dc.subjectDeflection-hardening
dc.subjectFibers
dc.subjectCoarse aggregates
dc.titleDeflection-hardening hybrid fiber reinforced concrete: The effect of aggregate content
dc.typeArticle

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