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

<div>Natural frequencies of the test structure. (a) Natural frequencies in both the directions. (b) Relative changes in natural frequency under each seismic hazard level.</div>

Shock and Vibration

fig16

Figure 16

Figure 16: Investigation on Seismic Performance of Bidirectional Self-Centering Reinforced Concrete Frame Structures by Shaking Table Tests 