Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/4581
Title: Shear and Bending Performances of Reinforced Concrete Beams with Different Sizes of Circular Openings
Authors: Ozkilic, Yasin Onuralp
Aksoylu, Ceyhun
Hakem, İbrahim Y.
Özdoner, Nebi
Kalkan, İlker
Karalar, Memduh
Stel'makh, Sergey A.
Keywords: transverse opening
chord
frame-type shear failure
shear-tension failure
beam ductility
modulus of resilience
modulus of toughness
Rc Beams
Web Openings
Deep Beams
Behavior
Publisher: MDPI
Abstract: The present study pertains to the effects of transverse opening diameters and shear reinforcement ratios on the shear and flexural behavior of RC beams with two web openings across different spans, i.e., a single opening in each half-span. Within the scope of the study, a total of 12 RC beams with five different opening diameter-to-beam depth ratios (0, 0.20, 0.27, 0.33, 0.40, and 0.47) and two shear reinforcement ratios were tested to failure under four-point bending. The load capacities, ductilities, rigidities and energy dissipation capacities in the elastic and plastic ranges of beam behavior were compared. Furthermore, the load capacities of the beams were compared to the existing analytical shear strength formulations in the literature. The test results indicated that whether an RC beam with openings has adequate or inadequate amounts of shear reinforcement, the frame-type shear failure becomes much more pronounced with increasing opening diameter. The reductions in the load capacity and modulus of toughness with increasing opening diameter are more considerable in the presence of inadequate amounts of shear reinforcement, while the beam ductility is less affected in shear-deficient RC beams with openings as compared to the ones with adequate shear reinforcement.
URI: https://doi.org/10.3390/buildings13081989
https://hdl.handle.net/20.500.13091/4581
ISSN: 2075-5309
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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