Integration of Engineered Cementitious Composite with Conventional Concrete in RC Beams for Sustainable and Durable Construction
DOI:
https://doi.org/10.15662/IJEETR.2026.0802228Keywords:
Engineered Cementitious Composite (ECC), Reinforced Concrete Beams, Hybrid Concrete, Flexural Behaviour, Crack Control, Structural Performance, Sustainable Construction, DuctilityAbstract
Engineered Cementitious Composite (ECC) is an advanced high-performance material known for its superior ductility, crack control, and durability compared to conventional concrete. The integration of ECC with traditional concrete in reinforced concrete (RC) beams offers a promising approach to enhance structural performance while maintaining economic feasibility. This study investigates the behaviour of hybrid ECC–concrete beams subjected to flexural loading to evaluate improvements in strength, ductility, and crack resistance. ECC is used in critical tension zones of the beam, while conventional concrete is used in the compression zone to optimise material usage and reduce cost. Experimental testing is carried out on beam specimens to analyse load-deflection behaviour, crack pattern, ultimate load capacity, and failure mode. The results indicate that hybrid ECC beams exhibit improved flexural strength, reduced crack width, higher energy absorption, and better ductility compared to conventional RC beams. The integration of ECC also enhances durability and structural reliability, making it suitable for sustainable construction applications. The study demonstrates that hybrid ECC–concrete beams provide an efficient and economical solution for improving structural performance in modern construction.
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