Experimental evaluation and multi-objective optimization of hybrid steel–shape memory alloy fiber reinforced concrete for enhanced mechanical and microstructural performance
This study presents a comprehensive experimental investigation and multi-objective optimization of Hybrid Steel–Shape Memory Alloy Fiber Reinforced Concrete (HS–SMA FRC) designed to enhance mechanical performance and material efficiency. M40-grade concrete mixes incorporating steel fibers, NiTi-based SMA fibers, and hy...