Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests

Figure 24

Time-history curves of gap opening rotation under Parkfield-02_CA earthquakes. (a) Column-base joint (J01) in the X direction. (b) Column-base joint (J01) in the Y direction. (c) Beam-column joint (J18) in the X direction. (d) Beam-column joint (J11) in the Y direction.

(a)

(b)

(c)

(d)