Residual seismic capacity of beam-column components with corroded reinforcement

Several concrete structures in tectonically active regions of the world are exposed to chloride ingress from seawater, saltwater, and other sources, making them vulnerable corrosion-induced deterioration. Although it is well-known that deterioration influences force-displacement behaviour corroded components under cyclic loading, no adequate provisions have been incorporated into state-of-practice seismic assessment procedures account for influence corrosion on modeling parameters acceptance criteria components. Using an extensive database 418 material-level 271 component-level test specimens with deformed bars, this paper presents simple formulations evaluating residual yield strength, ultimate strain capacity, bond strength bars. Conclusions study then used proposing approaches predicting flexural shear failure mode beam-column Subsequently, a reduction factor formulation proposed deformation capacity The demonstrated be applicable current ASCE/SEI 41–17 Eurocode 8.