Fiber-Reinforced Self-Compacting Concrete Properties
Summary
Fiber-reinforced self-compacting concrete (FRSCC) combines the high flowability of self-compacting mixtures with the enhanced tensile and post-crack performance afforded by dispersed fibers. In its fresh state, FRSCC must achieve sufficient filling and passing ability without segregation, typically evaluated by slump-flow, L-box and V-funnel tests. Once hardened, the incorporation of steel or synthetic fibers significantly improves tensile strength, flexural toughness and crack control, while often exerting a modest influence on compressive capacity. Optimising the fibre type, aspect ratio and volume fraction is critical to balance rheological behaviour with mechanical performance. Recent advances include predictive modelling of fresh-state flow, mix-design procedures that integrate fibre skeleton packing principles and the use of supplementary cementitious or expansive agents to mitigate shrinkage. Globally, FRSCC finds application in precast elements, tunnel linings, repair mortars and seismic-resistant structures, where reduced vibration, enhanced durability and improved ductility yield both economic and environmental benefits.
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Fiber-Reinforced Self-Compacting Concrete Properties publication trend
The graph below shows the total number of articles in fiber-reinforced self-compacting concrete properties across all publications each year (not limited to Nature Index journals).
Technical terms
Self-compacting concrete (SCC): A highly flowable concrete that spreads under its own weight without the need for external vibration.
Steel fibre reinforced concrete (SFRC): Concrete composite containing discrete steel fibres to enhance tensile strength, toughness and crack resistance.
Slump flow: A measure of the diameter of the spread of fresh concrete under its own weight, indicating filling ability.
L-box test: An assessment of passing ability through reinforcement bars by measuring height ratios of concrete flow in a confined channel.
Splitting tensile strength: The capacity of concrete to resist tension, determined by applying a diametral compressive load to a cylindrical or cubic specimen.
References
- Steel Fiber Reinforced Self-Compacting Concrete: A Comprehensive Review. International Journal of Concrete Structures and Materials (2023).
- Influence of Polypropylene and Steel Fibers on the Performance and Crack Repair of Self-Compacting Concrete. Materials (2021).
- Tensile Behavior of Self-Compacting Steel Fiber Reinforced Concrete Evaluated by Different Test Methods. Crystals (2021).
- Mix Proportion Design of Self-Compacting SFRC with Manufactured Sand Based on the Steel Fiber Aggregate Skeleton Packing Test. Materials (2020).
- Shrinkage and Mechanical Properties of Self-Compacting SFRC With Calcium-Sulfoaluminate Expansive Agent. Materials (2020).
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