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Well-Confined Concrete Columns Reinforced with BFRP and GFRP Rebars Under Concentric Loading
https://orcid.org/http://orcid.org/0000-0002-5629-9385
https://orcid.org/http://orcid.org/0000-0002-9202-694X
Fiber-reinforced polymer (FRP) has gained considerable interest as a substitute for steel reinforcement, primarily because of its corrosion-resistant nature. Hence, it is beneficial to reinforce structural members, such as columns, with FRP instead of steel to minimize their degradation. This study reports on the behavior of four concrete columns with FRP and steel rebars confined with steel ties subject to concentric loading. Basalt FRP (BFRP) and Glass FRP (GFRP) rebars were considered. Steel ties were provided at 60 mm spacing to significantly confine the columns. All the columns were square and had 180 mm cross-section dimensions and 1000 mm height. The type and diameter of longitudinal rebars varied between the columns. Concrete crushing governed the failure of BFRP and GFRP Reinforced Concrete (RC) columns, while steel yielding caused the failure in steel-RC columns. The axial load capacity was similar for BFRP and GFRP-RC columns, with only an 11% difference. Nevertheless, the difference was only 2% for the BFRP-RC column in comparison with the steel-RC column of equivalent strength. Moreover, an enhancement of about 10% was demonstrated for the axial load capacity of steel-RC columns, when increasing the longitudinal reinforcement ratio by 1.4%.
Well-Confined Concrete Columns Reinforced with BFRP and GFRP Rebars Under Concentric Loading
https://orcid.org/http://orcid.org/0000-0002-5629-9385
https://orcid.org/http://orcid.org/0000-0002-9202-694X
Fiber-reinforced polymer (FRP) has gained considerable interest as a substitute for steel reinforcement, primarily because of its corrosion-resistant nature. Hence, it is beneficial to reinforce structural members, such as columns, with FRP instead of steel to minimize their degradation. This study reports on the behavior of four concrete columns with FRP and steel rebars confined with steel ties subject to concentric loading. Basalt FRP (BFRP) and Glass FRP (GFRP) rebars were considered. Steel ties were provided at 60 mm spacing to significantly confine the columns. All the columns were square and had 180 mm cross-section dimensions and 1000 mm height. The type and diameter of longitudinal rebars varied between the columns. Concrete crushing governed the failure of BFRP and GFRP Reinforced Concrete (RC) columns, while steel yielding caused the failure in steel-RC columns. The axial load capacity was similar for BFRP and GFRP-RC columns, with only an 11% difference. Nevertheless, the difference was only 2% for the BFRP-RC column in comparison with the steel-RC column of equivalent strength. Moreover, an enhancement of about 10% was demonstrated for the axial load capacity of steel-RC columns, when increasing the longitudinal reinforcement ratio by 1.4%.
Well-Confined Concrete Columns Reinforced with BFRP and GFRP Rebars Under Concentric Loading
https://orcid.org/http://orcid.org/0000-0002-5629-9385
https://orcid.org/http://orcid.org/0000-0002-9202-694X
Fiber-reinforced polymer (FRP) has gained considerable interest as a substitute for steel reinforcement, primarily because of its corrosion-resistant nature. Hence, it is beneficial to reinforce structural members, such as columns, with FRP instead of steel to minimize their degradation. This study reports on the behavior of four concrete columns with FRP and steel rebars confined with steel ties subject to concentric loading. Basalt FRP (BFRP) and Glass FRP (GFRP) rebars were considered. Steel ties were provided at 60 mm spacing to significantly confine the columns. All the columns were square and had 180 mm cross-section dimensions and 1000 mm height. The type and diameter of longitudinal rebars varied between the columns. Concrete crushing governed the failure of BFRP and GFRP Reinforced Concrete (RC) columns, while steel yielding caused the failure in steel-RC columns. The axial load capacity was similar for BFRP and GFRP-RC columns, with only an 11% difference. Nevertheless, the difference was only 2% for the BFRP-RC column in comparison with the steel-RC column of equivalent strength. Moreover, an enhancement of about 10% was demonstrated for the axial load capacity of steel-RC columns, when increasing the longitudinal reinforcement ratio by 1.4%.
Well-Confined Concrete Columns Reinforced with BFRP and GFRP Rebars Under Concentric Loading
Lecture Notes in Civil Engineering
Mansour, Yasser (editor) / Subramaniam, Umashankar (editor) / Mustaffa, Zahiraniza (editor) / Abdelhadi, Abdelhakim (editor) / Al-Atroush, Mohamed (editor) / Abowardah, Eman (editor) / Ghazal Aswad, Nour (author) / Obeidat, Khaled (author) / Abed, Farid (author)
Proceedings of the International Conference on Sustainability: Developments and Innovations ; 2024 ; Riyadh, Saudi Arabia
2024-10-26
8 pages
Article/Chapter (Book)
Electronic Resource
English
Columns , Concentric loading , Basalt FRP (BFRP) , Glass FRP (GFRP) , Deformability Engineering , Building Construction and Design , Geoengineering, Foundations, Hydraulics , Sustainable Architecture/Green Buildings , Engineering Economics, Organization, Logistics, Marketing , Energy Policy, Economics and Management , Renewable and Green Energy
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