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Effect of main and NSM reinforcing materials on the behavior of the shear strengthened RC beams with NSM reinforced HSC layers and bars
Faculty
Engineering
Year:
2023
Type of Publication:
ZU Hosted
Pages:
Authors:
Syed Ahmed Syed Ahmed Mohamd
Staff Zu Site
Abstract In Staff Site
Journal:
Case Studies in Construction Materials Elsevier
Volume:
Keywords :
Effect , main , , reinforcing materials , , behavior of the
Abstract:
It became common practice to utilize near-surface mounted (NSM) bars to improve the shear capacity of steel-reinforced concrete (RC) beams. Consequently, carbon fiber-reinforced polymer (FRP) is usually used to improve RC beams’ shear performance. Conversely, the use of Glass FRP (GFRP) for enhancing the shear behavior of the steel-RC and GFRP-RC beams is still limited. This study used NSM GFRP or steel bars to strengthen RC beams reinforced in tension with steel or GFRP bars. In addition, a new NSM technique was conducted using high-strength concrete (HSC) layers reinforced with GFRP or steel bars bonded within grooves to enhance beams’ shear capacity. The results of seventeen beams used in the tests showed that NSM HSC layers improved the shear performance of RC beams more than NSM bars. Also, the beams reinforced in tension with steel bars had higher shear efficiency and were stiffer than those reinforced with GFRP bars. Conversely, the shear efficiency of steel RC beams strengthened in shear with internal stirrups or NSM reinforcement (or both) increased by 142.8–211.7% compared to GFRP RC beams without internal and NSM shear reinforcement. Conversely, the shear capacity of the steel-RC beams strengthened in shear with internal stirrups or NSM reinforcement (or both) increased by 153.5–279.9% compared to the corresponding beam without GFRP RC beam without internal and NSM shear reinforcement. The numerical analysis using the ABAQUS program showed great effects of the tension reinforcement and the NSM materials on the strain of longitudinal bars, stirrups and NSM reinforcement.
Author Related Publications
Syed Ahmed Syed Ahmed Mohamd, "Evaluation of Non-Conforming Corroded Bridge Piers Exposed to Seismic Loads", International Journal of Engineering and Innovative Technology (IJEIT), 2017
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Syed Ahmed Syed Ahmed Mohamd, "Evaluation of Conforming Corroded Bridge Piers Exposed To Seismic Loads", International Journal of Trend in Research and Development, 2017
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Syed Ahmed Syed Ahmed Mohamd, "Mechanical Properties of Ultra-High Performance Fiber Reinforced Concrete", International Journal of Engineering and Innovative Technology, 2014
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Syed Ahmed Syed Ahmed Mohamd, "Enhancing shear behaviour of the exterior beam- column joint using sufficient reinforcement details or ultra-high-performance fiber-reinforced concrete Enhancing shear behaviour of the exterior beam-column joint using sufficient reinforcement details or ultra-high-performance fiber-reinforced concrete", taylor&francis, 2023
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Syed Ahmed Syed Ahmed Mohamd, "Improvement of mechanical properties of railway track concrete sleepers using ultra high performance concrete (UHPC)", Frattura ed Integrità Strutturale, 2022
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Department Related Publications
Eshak Ibrahiem Eshak Hana, "Dynamic Effect of Trains on Multispan Railway Bridges", لايوجد, 1900
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Eshak Ibrahiem Eshak Hana, "Dynamic Effect of Trains on Multispan Railway Bridges", 9th International Colloquium on Structural and Geotechnical Engineering, Ain Shams Univ., Cairo, Egypt, 10-12 April 2001., 2001
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Eshak Ibrahiem Eshak Hana, "Computer Analysis of Cylindrical Tanks Resting on Elastic Foundations", Bulletin of the Faculty of Eng., Cairo University, Paper 7, 1976-1977., 1976
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Eshak Ibrahiem Eshak Hana, "Buckling of Thin Rectangular Plates by Iteration", Al-Azhar Univ., Cairo, 1982
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Eshak Ibrahiem Eshak Hana, "Transverse Moments in Simply Supported Box Girders with Two Overhanging Ends", Scientific Bulletin of the Faculty of Eng., Ain-Shams Univ., No. 17, Vol. 1, 1985., 1985
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