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Advances in Concrete Construction Volume 9, Number 2, February 2020 , pages 125-137 DOI: https://doi.org/10.12989/acc.2020.9.2.125 |
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Behaviour of FRP composite columns: Review and analysis of the section forms |
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Chong Rong, Qingxuan Shi and Hongchao Zhao
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| Abstract | ||
| As confining materials for concrete, steel and fibre-reinforced polymer (FRP) composites have important applications in both the seismic retrofit of existing reinforced concrete columns and in the new construction of composite structures. We present a comprehensive review of the axial stress-strain behaviour of the FRP-confined concrete column. Next, the mechanical performance of the hybrid FRP-confined concrete-steel composite columns are comprehensively reviewed. Furthermore, the results of FRP-confined concrete column experiments and FRP-confined circular concrete-filled steel tube experiments are presented to study the interaction relationship between various material sections. Finally, the combinations of material sections are discussed. Based on these observations, recommendations regarding future research directions for composite columns are also outlined. | ||
| Key Words | ||
| FRP-confined concrete; the hybrid FRP-confined concrete-steel composite columns; the mechanical performance; the interaction relationship | ||
| Address | ||
| Chong Rong: State Key Laboratory of Green Building in Western China of Xian University of Architecture & Technology, Xi\'an 710055, China; College of Civil Engineering, Xi\'an University of Architecture & Technology, Xi\'an 710055, China Qingxuan Shi: State Key Laboratory of Green Building in Western China of Xian University of Architecture & Technology, Xi\'an 710055, China; College of Civil Engineering, Xi\'an University of Architecture & Technology, Xi\'an 710055, China; Key Laboratory of Structural Engineering and Seismic Resistance Education, Xi\'an University of Architectural & Technology, Xi\'an 710055, China Hongchao Zhao: College of Civil Engineering, Xinjiang University, Xinjiang 830000, China | ||
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