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Continuous Composite Beams Stiffened with CFRP Sheet at the Hogging Moment Region
Faculty
Engineering
Year:
2018
Type of Publication:
ZU Hosted
Pages:
Authors:
Hesham Mohamed Fawzy Ibrahiem Shaban
Staff Zu Site
Abstract In Staff Site
Journal:
Volume 4 (pp.41-52) Springer
Volume:
Keywords :
Continuous Composite Beams Stiffened with CFRP
Abstract:
The improvement in the flexural response and cracking resistance of steel-concrete composite beams stiffened 5with Carbon Fiber Reinforced Polymers (CFRP) sheets at the hogging moment regions is investigated experimentally and 6numerically in this study. The experimental program consists of two composite beams tested in an inverted position to 7simulate a portion of a continuous composite beam at the hogging moment region. The concrete flanges of the beams 8are reinforced externally with corrugated steel deck which used also as a permanent formwork. The experimental findings 9are used to develop and validate a reliable finite element (FE) model which able to simulate the non-linear performance 10of the stiffened beams as well as plain beams. In addition, a FE analysis on full-scale continuous composite beams with 11reinforced concrete flange is carried out to confirm the influence of using CFRP strips as a strengthening technique at 12the hogging moment regions. The beam deformation, steel flange strain, concrete strain, and CFRP strain confirm good 13agreement between the FE analysis and the test data. The beam capacity is enhanced only by 11% due to a premature failure 14in the composite flange. Although the composite connection between the concrete flange and the steel beam is improved by 15enhancing the cracking resistance of the concrete, the ductility of the strengthened beams is reduced by 20% in comparison 16to the un-strengthened beam.
Author Related Publications
Hesham Mohamed Fawzy Ibrahiem Shaban , "Cyclic loading behavior on strengthened composite beams using external post-tensioning tendons (experimental study)", elsevier, 2021
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Hesham Mohamed Fawzy Ibrahiem Shaban , "Effect of external post-tensioning on steel–concrete composite beams with partial connection", elsevier, 2021
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Hesham Mohamed Fawzy Ibrahiem Shaban , "Fatigue loading characteristic for the composite steel-concrete beams", frattura ed Integrita Strutturale, 2021
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Hesham Mohamed Fawzy Ibrahiem Shaban , "The Effects of Shear Stud Distribution on the Fatigue Behavior of Steel–Concrete Composite Beams", Arabian Journal for Science and Engineering, 2020
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Hesham Mohamed Fawzy Ibrahiem Shaban , "Design of Active Control System for Equivalent Single Degree of Freedom System SDOF", لايوجد, 1900
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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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