We analyze the effects of multiaxial prestress on the limit behavior of I-shaped reinforced concrete elements subjected to combined axial load and bending. We provide a collection of design charts and moment - curvature diagrams for reinforced concrete I-beams with laterally and longitudinally prestressed flanges. The given results highlight the special ability of the active prestress technique in enhancing the strength and ductility properties of seismic resistant columns and shear walls.
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