An experimental study on RC beams shear-strengthened with Intraply Hybrid U-Jackets Composites monitored by digital image correlation (DIC)

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dc.authorid0000-0002-9641-2004
dc.authorid0000-0002-4120-1816
dc.authorid0000-0001-7412-301X
dc.authorid0000-0002-3522-1351
dc.authorid0000-0002-6526-6868
dc.contributor.authorÇakır, Feriten_US
dc.contributor.authorAydın, M. Racien_US
dc.contributor.authorAcar, Volkanen_US
dc.contributor.authorAksar, Boraen_US
dc.contributor.authorAkkaya, Hasan Cemen_US
dc.date.accessioned2023-09-12T13:08:10Z
dc.date.available2023-09-12T13:08:10Z
dc.date.issued2023-08-22
dc.departmentIşık Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering and Natural Sciences, Department of Civil Engineeringen_US
dc.description.abstractReinforced concrete (RC) beams are commonly strengthened using steel stirrups, but these materials have limitations such as added weight and susceptibility to corrosion. Fiber-reinforced polymers (FRPs) offer a promising alternative to steel stirrups with high mechanical performance, low density, and resistance to corrosion and chemicals. In particular, Intraply Hybrid Composites (IRCs), which comprise multiple fibers oriented in different directions within a single matrix, have recently gained attention in the construction industry. Cakir et al. [1] investigated the use of three types of IRCs (Aramid-Carbon (AC), Glass-Aramid (GA), and Carbon-Glass (CG)) for strengthening 2-meter-long RC beams (the ratio of shear span (a) to effective depth (d) equals 3 (a/d = 3)) against shear fractures. In this study, the effects of these IRCs on the shear strength of 1.5-meter-long RC beams (a/d = 2) without transverse reinforcement were examined. In this scope, four-point bending tests were conducted on the beams after U-shaped IRC strengthening, and the impact of IRCs on shear strength was evaluated using both digital image correlation and classical measurement equipment such as strain gauges and linear variable differential transducers. The maximum load measured in RC1.5 was 194.50 kN, while the ultimate load capacity reached 265 kN in AC1.5, 246 kN in GA1.5, and 229 kN in CG1.5 after strengthening, representing increases of 36%, 26%, and 18%, respectively, compared to RC1.5. Additionally, the maximum mid-span deflections were determined as 30.40 mm, 16.10 mm, 22.20 mm, and 36.40 mm for RC1.5, AC1.5, GA1.5, and CG1.5, respectively. Moreover, the experimental results were compared with the predictions obtained from the international codes. It should be noted that the failure modes of RC beams are directly affected by the type of IRCs used, highlighting the significant contribution these materials can make to the structural behavior of RC beams.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationÇakır, F., Aydın, M. R., Acar, V., Aksar, B & Akkaya, H. C. (2023). An experimental study on RC beams shear-strengthened with Intraply Hybrid U-Jackets Composites monitored by digital image correlation (DIC). Composite Structures, 323, 1-21. doi:10.1016/j.compstruct.2023.117503en_US
dc.identifier.doi10.1016/j.compstruct.2023.117503
dc.identifier.endpage21
dc.identifier.issn0263-8223
dc.identifier.issn1879-1085
dc.identifier.scopus2-s2.0-85168806687
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/11729/5706
dc.identifier.urihttp://dx.doi.org/10.1016/j.compstruct.2023.117503
dc.identifier.volume323
dc.identifier.wosWOS:001070718800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorAksar, Boraen_US
dc.institutionauthorid0000-0002-3522-1351
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofComposite Structuresen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDigital image correlationen_US
dc.subjectFiber-reinforced polymersen_US
dc.subjectIntraply hybrid compositesen_US
dc.subjectMechanical testsen_US
dc.subjectReinforced concrete beamsen_US
dc.subjectShear strengtheningen_US
dc.subjectReinforced-concrete beamsen_US
dc.subjectPerformanceen_US
dc.subjectBehavioren_US
dc.titleAn experimental study on RC beams shear-strengthened with Intraply Hybrid U-Jackets Composites monitored by digital image correlation (DIC)en_US
dc.typeArticleen_US

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