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Updated: Jun 3, 2025
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Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
Published on: June 27, 2018
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Strengthening Reinforced Concrete Members Using FRP-Evaluating Fire Performance, Challenges, and Future Research
Mahmood Haris1, Ergang Xiong1, Wanyang Gao2
1School of Civil Engineering, Chang'an University, Xi'an 710061, China.
Polymers
|January 11, 2025
Summary
Fiber-reinforced polymer (FRP) composites degrade significantly in fires, impacting reinforced concrete (RC) structures. This review examines FRP-strengthened RC members
Area of Science:
- Civil Engineering
- Materials Science
- Structural Engineering
Background:
- Fiber-reinforced polymer (FRP) composites are widely used for strengthening and repairing reinforced concrete (RC) members.
- The fire performance of FRP-strengthened RC members is critical due to FRP's significant degradation at elevated temperatures.
Purpose of the Study:
- To review existing research on the fire performance of FRP-strengthened RC members.
- To provide a comprehensive understanding of factors influencing structural behavior under fire conditions.
Main Methods:
- Literature review of experimental and numerical studies.
- Analysis of FRP material properties (mechanical, thermal, bond) at elevated temperatures.
- Examination of load-carrying capacities and fire endurance ratings.
Main Results:
- FRP composites exhibit substantial performance degradation at high temperatures.
- Elevated temperatures significantly affect the bond between FRP and concrete.
- Existing research provides insights into load-carrying capacity and fire endurance.
Conclusions:
- Understanding FRP behavior at high temperatures is crucial for fire safety design.
- Further research is needed to refine fire resistance design methods for FRP-strengthened RC members.
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