Bending Behavior of RC Beams with Regular Web Openings and Non-corroding GFRP Reinforcement

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dc.authoridKartal, Saruhan/0000-0002-1870-3287
dc.contributor.authorKartal, Saruhan
dc.contributor.authorKısıklı, Emin
dc.date.accessioned2025-01-21T16:36:07Z
dc.date.available2025-01-21T16:36:07Z
dc.date.issued2024
dc.departmentKırıkkale Üniversitesi
dc.description.abstractThe present study pertains to the flexural behavior of RC beams with openings and non-metallic (GFRP) reinforcement. The main goal of preferring GFRP reinforcement over the conventional steel reinforcement was to safeguard the beams against the reinforcement corrosion. The presence of multiple regular transverse openings throughout the beam length increases the susceptibility of reinforcing bars to corrosion as the larger contact area in these beams with the outside environment increases the ingress of corrosive agents. Within the scope of the study, a total of 8 RC beams, including two reference beams without web openings, were tested under four-point bending. The test parameters were the flexural reinforcement ratio, the presence of short stirrups in the chords, and the presence of diagonal reinforcement spiraling around the openings. Since GFRP stirrups are difficult to bend, each stirrups was formed by connecting four individual FRP bars around the longitudinal bars. The opening circular geometry was adopted to avoid stress concentrations around the sharp corners of opening and to facilitate the placement and fixing of different schemes of reinforcement in the beams. The present tests depicted that the diagonal reinforcement around the openings have considerable contribution to the flexural behavior of RC beams with GFRP reinforcement and with multiple regular transverse openings. The RC beams with openings were able to approach their analytical flexural capacities in the presence of diagonal reinforcement for both moderately and heavily reinforced beam groups. The analytical deflection predictions of GFRP-RC beams with openings showed a good agreement with experimental data.
dc.description.sponsorshipKimath;rimath;kkale niversitesi [2022/065]; Kimath;rimath;kkale University Scientific Research Projects Unit
dc.description.sponsorshipThe study was carried out within the scope of the project with the number of 2022/065 supported by K & imath;r & imath;kkale University Scientific Research Projects Unit. The financial support provided by this unit is gratefully acknowledged.
dc.identifier.doi10.1186/s40069-024-00719-3
dc.identifier.issn1976-0485
dc.identifier.issn2234-1315
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85208739461
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1186/s40069-024-00719-3
dc.identifier.urihttps://hdl.handle.net/20.500.12587/24259
dc.identifier.volume18
dc.identifier.wosWOS:001351586300001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofInternational Journal of Concrete Structures and Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241229
dc.subjectGFRP RC beams with web openings; Shear failure; Circular opening; Post; Chord
dc.titleBending Behavior of RC Beams with Regular Web Openings and Non-corroding GFRP Reinforcement
dc.typeArticle

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