
Experimental Work on Reinforced Concrete Slender Columns Enhanced by Partial Strengthening Using Steel Plate Strips
By: Aseel S. Alobaidy and Bassman R. Muhammad

References
- Abdel-Hay, A. S., & Fawzy, Y. A. G. (2015). Behavior of partially defected RC columns strengthened using steel jackets. HBRC Journal, 11(2), 194–200.
- Abdelraheem, H., Ahmed, A. R. M., Ahmed, M. M., & Haridy, A. E. K. (2023). Behavior of RC Columns Strengthened with Steel Jacket Under Static Axial Load. Journal of Engineering Sciences, 51(2), 93–108.
- ACI 318M-19, (2019). Building Code Requirements for Structural Concrete and Commentary, American Concrete Institute.
- ACI 237R-07, (2007). Self-Consolidating Concrete, American Concrete Institute: 30.
- ACI PRC-440.2-17, (2017). American Concrete Institute (ACI), Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures. Farmington Hills, MI.
- Adam, J. M., Ivorra, S., Pallarés, F. J., Giménez, E., & Calderón, P. A. (2009). Axially loaded RC columns strengthened by steel caging. Finite element modelling. Constr. Build. Mater. 23 (6), 2265–2276.
https://doi.org/10.1016/j.conbuildmat.2008.11.014 . - Alobaidi, A. M., Ahmed, S. Y. & Najem, R. M. (2025). Investıgatıng the behavıor of reınforced normal concrete v-shaped columns wıth dıfferent ınclınatıon angles. Civil and Environmental Engineering, 21(1), 499–511, DOI:10.2478/cee-2025-0037.
https://creativecommons.org/licenses/by/4.0/ . - AL-Najafi, A. H. M. (2016). Influence of Uniaxial Loading on the Strength of Slender Columns. Eng. & Tech. Journal, 34, Part A (8), 1549–64.
https://doi.org/10.30684/etj.34.8A.7 . - AL-Sarraf, S., Al-Shaarbaf, I., Al-Bakri, B. & Sarsam, K. (2009). Flexural Rigidity of Slender RC Columns. Eng.& Tech. Journal, 27(1), 96–116.
https://doi.org/10.30684/etj.27.1.8 . - Amin, M. A. M., El Hawary, M. M., Shaheen, A., & Mashhour, I. M. (2026). Structural behavior of reinforced concrete columns under eccentric loads strengthened by steel jackets filled with normal and high-strength concrete. HBRC Journal, 22(1), Article 22.
https://doi.org/10.65800/2090-9934.1021 . - Bazant, Z. P. & Kwon, Y. W. (1994). Failure of slender and stocky reinforced concrete columns tests of size effect. Materials and Structures, 2nd ed., Elsevier, Applied Science. London, 27 (2), 79–90.
- Campione, G. (2013). RC columns strengthened with steel angles and battens: Experimental results and design procedure. Pract. Period. Struct. Des. Constr. 18 (1), 1–11.
https://doi.org/10.1061/(ASCE)SC.1943-5576.0000125 . - Chuang, P. & Kong, S. (1995). Failure loads of slender reinforced concrete columns. Proceedings of the Institution of Civil Engineers - Structures and Buildings, 110 (4) November, 339–350.
- Dewi, S. H., Thamrin, R., Haris, S., & Yastari, F. P. (2024). Tensile Forces Behavior on Longitudinal Reinforcement and CFRP Strips on Circular Hollow Reinforced Concrete Columns. Civil And Environmental Engineering, 20. 1, 86–97. DOI: 10.2478/cee-2024-0008.
https://reference-global.com/article/10.2478/cee-2024-0008 . - Dolce, M., Masi, A., Cappa, T., Nigro, D., & Ferrini, M. (2003). Experimental evaluation of effectiveness of local strengthening on columns of R/C existing structures. In Proc., FIB Symp. On Concrete Structures in Earthquake Regions. Athens, Greece Technical Chamber of Greece.
- EFNARC, (2002). Specifications and Guidelines for Self-Compacting Concrete. Association House, 99 West Street, Farnham, Surrey GU9 7EN, UK.
- Eldeen, M. H. M. S., Hassan, M. H. A., & Salah, M. G. (2021). Strengthening of Reinforced Concrete Long Rectangular Columns by Steel. Research Paper on Concrete Structures, Menoufia University-Reinforced Concrete Research Group, 1–8.
- EN1994-1-1, (2004), (English): Eurocode 4: Design of composite steel and concrete structures–Part 1-1: General rules and rules for buildings [Authority: The European Union Per Regulation 305/2011, Directive 98/34/EC, Directive 2004/18/EC].
- Ezz-Eldeen, H. A. (2011). Strengthened of some concrete elements behavior. PHD thesis. Al-Azhar University.
- Ezz-Eldeen, H. A. (2016) “Steel Jacketing Technique used in Strengthening Reinforced Concrete Rectangular Columns under Eccentricity for Practical Design Applications” Int. J. Eng. T. T. 35:195–204.
- Hassanein, M. F., & Kharoob, O. F. (2014). Analysis of circular concrete-filled double skin tubular slender columns with external stainless steel tubes. Thin Wall Struct, 79, 23–37.
- Kwak, H.-G., & Kim, J.-H. (2010). An improved design formula for a biaxially loaded slender RC column. Elsevier, 32 (1), 226-237.
http://doi.org/10.1016/j.engstruct.2009.09.009 . - Lu, G., & Yu, T. X. (2003). Energy absorption of structures and materials. Elsevier.
- Makki, R. F., & Nimnim, S. T. (2015). Rehabilitation of structural columns by using steel angles. Int. J. Sci. Eng. Res. 6 (1), 981–987.
- Montuori, R., & Piluso, V. (2009). Reinforced concrete columns strengthened with angles and battens subjected to eccentric load. Eng. Struct. 31 (2): 539–550.
https://doi.org/10.1016/j.engstruct.2008.10.005 . - Mohammed, Z., Muhammad, B. & Resheq, A. (2024). Slenderness effect on the behavior of composite RC columns under eccentric loads, Engineering and Technology Journal, 24 (11), 1304–1313.
http://doi.org/10.30684/etj.2024.147078.1702 . - Nimnim, H. T. & Al-Bahadli, H. A. (2018). Structural Behavior of Slender High-Strength RC Columns Strengthened by Steel Angles. Pract. Period. Struct. Des. Constr., 23(4), 04018026-12
https://ascelibrary.org/doi/full/10.1061/%28ASCE%29SC.1943-5576.0000393 . - Ravindrarajah, R. S., Farrokhzadi, F. & Lahoud, A. (2003). Properties of Flowing Concrete and Self-Compacting Concrete with High-Performance Superplasticier, In O. Wallevik and I. Nielsson eds., Proceedings of the 3rd International RILEM Symposium, 17.
- Salman H. M., & Al-Sherrawi, M. H. (2024). M-N Interaction Diagrams of RC Columns Strengthened with Steel C-Sections and Battens. Civil Engineering Journal, 10(06) June, 1974–1986.
http://dx.doi.org/10.28991/CEJ-2024-010-06-016 . - Sahi, A. M., & Abd Ali, M. S. (2021). “Experimental Study of Hollow Slender Reinforced Concrete Columns Subjected to Eccentric Loads.” Civil and Environmental Engineering, vol. 17, no. 1, University of Žilina, , pp. 303–317.
https://doi.org/10.2478/cee-2021-0032 . - Teng, J. G., Chen, J. F., Smith, S. T., & Lam, L. (2003). Behaviour and strength of FRP-strengthened RC structures: a state-of-the-art review, Proceedings of the Institution of Civil Engineers - Structures and Buildings, 156(1), pp. 51–62. doi: 10.1680/stbu.2003.156.1.51.
- Yansiku, S., Piscesa, B., & Suprobo, P. (ICEEDM-2022). Numerical Study on Slender Circular Reinforced Concrete Column Clamped with Steel Sheet. IOP Conf. Series, Earth and Environmental Science, 1244 (2023) 012002, 1-10.
https://iopscience.iop.org/article/10.1088/17551315/1244/1/012002?utm_source=researchgate.net&utm_medium=article .
DOI: https://doi.org/10.2478/cee-2027-0022 | Journal eISSN: 2199-6512 (formerly 1336-5835) | Journal ISSN: 1336-5835
Language: English
Submitted on: May 11, 2026
Accepted on: Jun 14, 2026
Published on: Oct 15, 2026
Published by: University of Žilina
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2026 Aseel S. Alobaidy, Bassman R. Muhammad, published by University of Žilina
This work is licensed under the Creative Commons Attribution 4.0 License.