Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads
Al- Gabri, Q., Lotfy, E., Ragab, K., Ahmed, M., Naguib, A. (2025). Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads. EKB Journal Management System, 3(3), 1-11. doi: 10.21608/sceee.2025.354773.1062
Qais Mahdi Al- Gabri; Ehab Lotfy; Khaled Saad Eddin Ragab; Manar Abdel Shakour Ahmed; Abdel-Rahman Naguib. "Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads". EKB Journal Management System, 3, 3, 2025, 1-11. doi: 10.21608/sceee.2025.354773.1062
Al- Gabri, Q., Lotfy, E., Ragab, K., Ahmed, M., Naguib, A. (2025). 'Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads', EKB Journal Management System, 3(3), pp. 1-11. doi: 10.21608/sceee.2025.354773.1062
Al- Gabri, Q., Lotfy, E., Ragab, K., Ahmed, M., Naguib, A. Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads. EKB Journal Management System, 2025; 3(3): 1-11. doi: 10.21608/sceee.2025.354773.1062

Analytical study on RC Exterior Beam–Column Joints Strengthened with Fiber Sheets under Cyclic Loads

Suez Canal Engineering, Energy and Environmental Science
Volume 3, Issue 3, July 2025, Page 1-11  XML PDF (873.31 K)
Document Type: Original Article
DOI: 10.21608/sceee.2025.354773.1062
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Authors
Qais Mahdi Al- Gabri email orcid 1; Ehab Lotfy2; Khaled Saad Eddin Ragab3; Manar Abdel Shakour Ahmed4; Abdel-Rahman Naguib5
1Civil Engineering Department, Faculty of Engineering, Thamar University, Yemen
2Professor, Reinforced Concrete, Dean of Faculty Engineering, Civil Engineering Department, Faculty of Engineering, University of Suez Canal, Egypt.
3Professor, Reinforced Concrete Research Institute, Housing and Building National Research Center, Egypt
4Assistant professor, Civil Engineering Department-Faculty of Engineering- Suez Canal University, Egypt
5Lecturer, Civil Engineering Department, Faculty of Engineering, Suez Canal University, Egypt.
Abstract
In this search, a new pattern is suggested to calculate the shear capacity of reinforced concrete (RC) exterior beam-column joints strengthened with fiber-reinforced polymer (FRP) under cyclic loads. A clear formula is developed that accounts for the shear capacity contributions from the transverse reinforcement, main reinforcing bars of the column or beam, and FRP sheet types. The coefficients of each commitment are calibrated utilizing 30 tests in the literature review and 6 experimental tests that had the information needed to derive a new equation. This search compared the inferred equation of Bousselham’s model and the modern equation with shear stress of the exterior beam-column joints and found that the values are close to reality when using the modern equation. The proposed method simplifies and ensures the reliability of calculating the necessary FRP sheet enhancements to prevent shear failure in exterior beam-column joints, making it highly useful for researchers and field engineers focused on structures strengthened with FRP sheets under seismic loads.
Keywords
shear -strength; FRP sheets; Exterior Beam–Column Joints; Reinforced Concrete; Analytical Model
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