Table 6 Performance points of each specimen under cyclic loading.
From: Experimental Quantification on the Residual Seismic Capacity of Damaged RC Column Members
Specimen | Initial flexural crack | Initial shear crack | Initial yielding of main bars | Initial yielding of stirrup | maximum forward loading | maximum reverse loading | concrete spalls | Final step (strength < 60%) |
|---|---|---|---|---|---|---|---|---|
FF-15S-0.1 | ± 0.25% (1st) | 1% (1st) | 1.5% (1st) | 4% (3rd) | 2% (1st) | − 3% (1st) | − 3% (1st) | 8% (1st) |
FF-15S-0.2 | ± 0.25% (1st) | − 1% (1st) | 1.5% (1st) | 3% (1st) | 2% (1st) | − 2% (1st) | 3% (1st) | 6% (2nd) |
FSF-15S-0.1 | ± 0.25% (1st) | 0.75% (1st) | 1.5% (1st) | 2% (3rd) | 3% (1st) | − 2% (1st) | − 2% (1st) | 6% (2nd) |
FSF-15S-0.2 | ± 0.25% (1st) | 0.75% (1st) | 1.5% (1st) | 2% (3rd) | − 2% (1st) | 3% (1st) | 3% (1st) | 4% (3rd) |
SF-30S-0.1 | ± 0.25% (1st) | 0.75% (1st) | 1.5% (1st) | ±2% (1st) | 2% (1st) | − 2% (1st) | 3% (1st) | − 4% (1st) |
SF-30S-0.2 | ± 0.25% (1st) | 0.75% (1st) | 1.5% (1st) | 1.5% (1st) | 2% (1st) | − 2% (1st) | 2% (1st) | 3% (1st) |