Investigation of Circular Hollow Concrete Columns Reinforced with GFRP Bars and Spirals
Article
Ahmad, Afaq, Bahrami, Alireza, Alajarmeh, Omar, Chairman, Nida and Yaqub, Muhammad. 2023. "Investigation of Circular Hollow Concrete Columns Reinforced with GFRP Bars and Spirals." Buildings. 13 (4). https://doi.org/10.3390/buildings13041056
Article Title | Investigation of Circular Hollow Concrete Columns Reinforced with GFRP Bars and Spirals |
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ERA Journal ID | 210216 |
Article Category | Article |
Authors | Ahmad, Afaq, Bahrami, Alireza, Alajarmeh, Omar, Chairman, Nida and Yaqub, Muhammad |
Journal Title | Buildings |
Journal Citation | 13 (4) |
Article Number | 1056 |
Number of Pages | 26 |
Year | 2023 |
Publisher | MDPI AG |
Place of Publication | Switzerland |
ISSN | 2075-5309 |
Digital Object Identifier (DOI) | https://doi.org/10.3390/buildings13041056 |
Web Address (URL) | https://www.mdpi.com/2075-5309/13/4/1056 |
Abstract | Glass fiber-reinforced polymer (GFRP) reinforcements are useful alternatives to traditional steel bars in concrete structures, particularly in vertical structural elements such as columns, as they are less prone to corrosion, and impart increasing strength and endurance of buildings. There is limited research on the finite element analysis (FEA) of the structural behavior of hollow glass fiber-reinforced polymer reinforced concrete (GFRPRC) columns. The hollow portion can be used for the service duct and for reducing the self-weight of the members. Numerical analysis of the compressive response of circular hollow concrete columns reinforced with GFRP bars and spirals is performed in this study. This article aims to investigate the axial behavior of hollow GFRP concrete columns and compare it with that of solid steel reinforced concrete (RC) columns as well as hollow steel RC columns. The Abaqus software is used to construct finite element models. After calibration of modeling using an experimental test result as a control model, a parametric study is conducted. The columns with the same geometry, loading, and boundary conditions are analyzed in the parametric study. It is resulted that the hollow GFRP concrete columns provide a greater confinement effect than the solid steel RC columns. The average variation in the ultimate axial load-carrying capacities of the experimental results, from that of the FEA values, is noted to be only 3.87%, while the average difference in the corresponding deformations is 7.08%. Moreover, the hollow GFRP concrete columns possess greater axial load and deformation capacities compared with the solid steel RC columns. © 2023 by the authors. |
Keywords | Abaqus; finite element analysis; glass fiber-reinforced polymer bars; hollow reinforced concrete column; spirals; axial loading |
ANZSRC Field of Research 2020 | 400510. Structural engineering |
Byline Affiliations | University of Engineering and Technology, Pakistan |
University of Gävle, Sweden | |
Centre for Future Materials | |
University of Westminster, United Kingdom |
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https://research.usq.edu.au/item/z2523/investigation-of-circular-hollow-concrete-columns-reinforced-with-gfrp-bars-and-spirals
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