Experimental study on using recycled polyethylene terephthalate and steel fibers for improving behavior of RC columns

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dc.contributor.authorFayed, Sabry
dc.contributor.authorMadenci, Emrah
dc.contributor.authorBahrami, Alireza
dc.contributor.authorOzkilic, Yasin Onuralp
dc.contributor.authorMansour, Walid
dc.date.accessioned2024-02-23T14:02:39Z
dc.date.available2024-02-23T14:02:39Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractIn this research, the behavior of RC columns reinforced with recycled polyethylene terephthalate (PET) fibers and steel fibers (SFs) was experimentally investigated. The experimental work included testing of 8 columns with the dimensions of 150 x 150 x 1000 mm subjected to the axial loading up to failure. Three volume fractions (1%, 2%, and 3%) were considered for both PET fibers and SFs. The axial/lateral displacements of the columns and the transverse/vertical strains versus the loads of the bars were recorded. The peak load, yield load, failure mode, ductility, and stiffness of the columns were studied in detail. The effects of plastic fibers (PFs) and SFs on the concrete characteristics were experimentally examined. Using 2% SFs in the mix increased the compressive strength, tensile strength, and toughness of concrete by 12.7%, 87.6%, and 304.8%, respectively. Furthermore, enhancement rates of the ultimate load capacity, stiffness, and ductility of the columns with 2% SFs were 15.6%, 72.6%, and 34.29%, respectively. The ultimate load capacity, initial stiffness, and ductility of the columns reinforced with 1% PF fiber were 9.43%, 62.6%, and 19.4%, respectively, greater than those of the columns without fibers. The columns' capacity was decreased with increasing SFs and PFs over 2%. An equation from ACI was used to predict the columns' capacity and the results agreed well with the experimental results.en_US
dc.identifier.doi10.1016/j.cscm.2023.e02344
dc.identifier.issn2214-5095
dc.identifier.scopus2-s2.0-85173617905en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.cscm.2023.e02344
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11796
dc.identifier.volume19en_US
dc.identifier.wosWOS:001149869300001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofCase Studies In Construction Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRc Columnen_US
dc.subjectRecycled Polyethylene Terephthalate Fiberen_US
dc.subjectSteel Fiberen_US
dc.subjectPeak Loaden_US
dc.subjectDeformationen_US
dc.subjectDuctilityen_US
dc.subjectAcien_US
dc.titleExperimental study on using recycled polyethylene terephthalate and steel fibers for improving behavior of RC columnsen_US
dc.typeArticleen_US

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