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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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A Comprehensive Review of Retrofitted Reinforced Concrete Members Utilizing Ultra-High-Performance Fiber-Reinforced
Firas Hassan Saeed1, Farzad Hejazi1
1Faculty of Environment and Technology, The University of the West England, Bristol BS16 1QY, UK.
Materials (Basel, Switzerland)
|March 13, 2025
Summary
Ultra-high-performance fiber-reinforced concrete (UHPFRC) offers superior strength and durability for strengthening aged reinforced concrete (RC) structures like beams and slabs. Further research is needed to address debonding and develop sustainable UHPFRC strengthening methods.
Area of Science:
- Civil Engineering
- Materials Science
Background:
- Aging infrastructure necessitates advanced solutions for reinforced concrete (RC) building strengthening.
- Ultra-high-performance fiber-reinforced concrete (UHPFRC) offers exceptional mechanical properties and durability.
Purpose of the Study:
- To review UHPFRC as a strengthening material for RC slabs and beams.
- To assess experimental and analytical methods for UHPFRC strengthening.
- To identify knowledge gaps and future research directions.
Main Methods:
- Comprehensive literature review of experimental studies on UHPFRC strengthening.
- Analysis of bonding techniques, fiber ratios, and layer thickness.
- Examination of numerical and analytical forecasting approaches.
Main Results:
- UHPFRC demonstrates significant potential for enhancing the flexural and shear capacity of RC structures.
- Key experimental parameters include bonding, configuration, fiber content, and thickness.
- Existing analytical models were critically assessed for predicting performance.
Conclusions:
- UHPFRC is a promising material for RC structure rehabilitation, offering improved performance and durability.
- Deficiencies exist in addressing debonding, cyclic loading effects, and sustainable techniques.
- Future research should focus on innovative UHPFRC systems to overcome current limitations.
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