Testing Protocols and Procedures for Undertaking Fire Resistance Tests on Concrete Structures Incorporating
Venkatesh Kodur1,2, M Z Naser3, Hee Sun Kim2
1Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA.
Polymers
|February 13, 2025
Summary
Fiber-reinforced polymer (FRP) concrete structures require specialized fire testing due to unique performance characteristics compared to traditional steel reinforcement. This study proposes enhanced testing protocols to accurately assess FRP-RC structural members under fire conditions.
Area of Science:
- Civil Engineering
- Materials Science
- Structural Engineering
Background:
- Fiber-reinforced polymers (FRPs) are used as internal or external reinforcement in concrete structures.
- FRP-reinforced concrete (FRP-RC) exhibits different fire performance compared to steel-reinforced concrete.
- Standard fire resistance tests, designed for conventional materials, are currently used for FRP-RC members.
Purpose of the Study:
- To highlight the distinct fire performance of FRP-RC structures.
- To discuss the limitations of current fire testing methods for FRP-RC members.
- To propose improved testing protocols and performance criteria for FRP-RC structures under fire.
Main Methods:
- Review of standard fire resistance testing procedures for structural members.
- Analysis of factors influencing the fire performance of FRP-RC composites.
- Development of proposed additional testing protocols and evaluation criteria.
Main Results:
- FRP-RC structures have unique fire responses distinct from steel-reinforced concrete.
- Current standard fire tests may not adequately capture the behavior of FRP-RC members.
- Additional testing provisions and specific performance criteria are needed.
Conclusions:
- Standard fire tests require adaptation for FRP-RC structural members.
- Enhanced testing protocols are necessary for accurate fire performance evaluation.
- Revised performance criteria are crucial for ensuring the safety of FRP-RC structures in fire events.
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