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Flexural response of GFRP RC beams strengthened with side and bottom NSM GFRP bars
Faculty
Engineering
Year:
2022
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 :
Flexural response , GFRP , beams strengthened with
Abstract:
This study exhibits the bending performance of reinforced concrete (RC) beams with glass fiberreinforced polymer (GFRP) rods. The beams were strengthened with the bottom or side near surface mounted (BNSM or SNSM) methods. Applying BNSM strengthening to the RC beam is difficult in some cases, so the SNSM became essential. Due to the limited research dealing with this type of beam, this study focuses on the effect of internal and NSM reinforcement areas and the NSM position on the response of the beams. Two un-strengthened and six strengthened RC beams were tested in bending. The GFRP RC beams upgraded with SNSM GFRP bars showed higher deflection, energy dissipation, ductility, and ductile failure than those upgraded with BNSM ones. On the contrary, the load-carrying capability and flexural stiffness of GFRP RC beams strengthened with BNSM GFRP rods were slightly higher than those strengthened with SNSM GFRP. Consequently, a parametric investigation relying on the verified finite element (FE) model was executed. This parametric work aimed to add additional data to the literature related to the influences of the internal and NSM reinforcement type and area on the performance of beams with ↱SNSM. According to the FE results, increasing the NSM reinforcement area improved the capacity and stiffness of the upgraded beams regardless of the combination of the internal and NSM reinforcement. The relative axial stiffness between internal and NSM materials significantly impacted the beam performance. Moreover, using GFRP with CFRP or steel with CFRP indicated higher performance than using steel with GFRP, regardless of which one was located as NSM
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, "A Robust Nonlinear Mathematical Programming Model for Design of Laterally Loaded Orthotropic Steel Plates", Structural Engineering and Mechanics, Vol.14, No.2 (2002) 223-236, Techno-Press, Korea., 2002
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Eshak Ibrahiem Eshak Hana, "Technical Inspection of 26 Railway Steel Bridges in Egypt", 4th Alexandria International Conference on Structural and Geotechnical Engineering, Vol.1, Alex. Univ., Alexandria, Egypt, April 2001., 2001
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Eshak Ibrahiem Eshak Hana, "Distribution of Longitudinal Stresses in Box Girder Bridges Subjected to Unsymmetrical Vertical Loading", 1st Egyptian Structural Eng. Conference, Cairo Univ., Vol 3, April 1985., 1985
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Ehab Boghdady Hana Mattar, "BEHAVIOR OF AXIALLY LOADED STEEL COLUMNS WITH SLENDER STEEL SECTIONS", لايوجد, 1900
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Rania Mohamed Samier Mohamed Kamal Amien, "Control of Structures using Active Tuned Mass Damper", لايوجد, 1900
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