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% | 1% | 1.5% | 4% | 2% | − 3% | − 3% | 8% |
(1st) | (1st) | (1st) | (3rd) | (1st) | (1st) | (1st) | (1st) | |
FF-15S-0.2 | ± 0.25% | − 1% | 1.5% | 3% | 2% | − 2% | 3% | 6% |
(1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (2nd) | |
FSF-15S-0.1 | ± 0.25% | 0.75% | 1.5% | 2% | 3% | − 2% | − 2% | 6% |
(1st) | (1st) | (1st) | (3rd) | (1st) | (1st) | (1st) | (2nd) | |
FSF-15S-0.2 | ± 0.25% | 0.75% | 1.5% | 2% | − 2% | 3% | 3% | 4% |
(1st) | (1st) | (1st) | (3rd) | (1st) | (1st) | (1st) | (3rd) | |
SF-30S-0.1 | ± 0.25% | 0.75% | 1.5% | ± 2% | 2% | − 2% | 3% | − 4% |
(1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (1st) | |
SF-30S-0.2 | ± 0.25% | 0.75% | 1.5% | 1.5% | 2% | − 2% | 2% | 3% |
(1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (1st) | (1st) |