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Development and Testing of a Novel Anchor-Profiled FRP Jacket System for Effective Confinement of Rectangular Concrete Columns
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2025-02-01
[PDF-6.19 MB]
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Edition:Final report (March 13 2025 – December31 2024)
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Abstract:Externally bonded fiber-reinforced polymer (FRP) jacketing has become a widely used technique for strengthening reinforced concrete (RC) columns due to its ease of application. However, its effectiveness is significantly limited when applied to rectangular concrete columns. To address this issue, this research project investigated two potential approaches to enhance the performance of FRP jacketing for rectangular columns: FRP anchoring systems and innovative FRP profiling systems. An experimental program was conducted, involving six groups of columns. The results indicated that the FRP anchoring system provided limited effectiveness, whereas the FRP profiling system showed promising potential, although further experimental validation is needed to confirm its performance. Additionally, a comprehensive database was compiled from the literature, encompassing 24 studies and 406 column tests on square and rectangular columns with FRP confinement relevant to this study. This database will serve as a reference for further analysis of the experimental results.
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