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Performance and Behavior of Self-Compacting Concrete (SCC) under Elevated Temperatures: A Comprehensive Review

Rahul Mewada, Harsh Rathore

Abstract


This review encompasses investigations into the behavior of self-compacting concrete (SCC) under elevated temperatures. Studies evaluated the impact of various factors such as aggregate type, additives, and fiber reinforcement on SCC's mechanical properties and fire resistance. Findings revealed that lightweight aggregates, such as pumice, can reduce thermal expansion, while additives like limestone and quartz powders significantly influence fire behavior and mechanical strength. Additionally, high-strength SCC exhibits superior retention of mechanical properties at elevated temperatures compared to normal-strength SCC, despite an increased risk of spalling. Notably, the addition of fiber reinforcement, particularly with steel or polypropylene fibers, enhances SCC's mechanical properties under heat. These investigations emphasize the importance of considering design parameters like aggregate selection, mix composition, and fiber reinforcement to optimize SCC performance in high-temperature environments. Future research efforts should focus on refining design guidelines and deepening our understanding of SCC behavior in fire conditions to ensure the safety and reliability of structures constructed with SCC.


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References


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