Abstract:Fiber-reinforced polymer (FRP) confining jackets offer an attractive solution for the seismic retrofit of reinforced concrete (RC) columns. For an accurate prediction of the strength and ductility of FRP-confined RC columns, it is necessary to understand the interaction between the FRP jacket and the RC column at all deformation levels under seismic loading. In particular, when widely-spaced steel stirrups/spirals are used as the transverse steel reinforcement, the longitudinal steel bars are likely to develop… Show more
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