Impact Performance of RC Beams Reinforced by Engineered Cementitious Composite

To mitigate potential damage to RC structures subjected impact load—especially spalling damage—engineered cementitious composite (ECC) is applied, with the aim of reinforcing members, so as improve their performance. In present study, response beams, and without ECC reinforcement, loading was investigated. Firstly, mechanical properties were characterized by quasi-static compression tension tests, well dynamic direct tests. Then, K&C model (Karagozian Case Concrete Model) employed delineate behavior, whose parameters calibrated using test data. Subsequently, models beams validated drop weight test, established investigate response. The numerical results suggested that performance resistance ECC-reinforced significantly improved. degree members effectively reduced, deformation controlled, energy consumption capacity increased while load transferred increased. particular, method multiple separate layers proposed in this found reduce extent, dissipation, control within certain levels. addition, prevented crack propagation caused cracking member, ensured residual integrity further improved member comprehensively.