Abstract

Summarizes the results of research aimed at investigating the effect of ductile deformation behavior of engineered cementitious composites (ECC) on the response of steel reinforced flexural members to lateral load reversals. The combination of a ductile cementitious matrix and steel reinforcement is found to result in improved energy dissipation capacity, reduction of transverse steel reinforcement requirements, and damage-tolerant inelastic deformation behavior. Basic concepts and composite deformation mechanisms of steel reinforced ECC are provided, experimentally verified, and compared to conventional reinforced concrete using small-scale specimens. Results indicate advantageous synergistic effects between ECC matrix and steel reinforcement with respect to compatible deformation, structural composite integrity, and damage evolution, and suggest integrating advanced materials design into the structural design process.

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