Table 3 Reduction factors of strength, deformation and damping ratio (Ito et al. 2015).
From: Experimental Quantification on the Residual Seismic Capacity of Damaged RC Column Members
Damage level | Flexural member | Shear member | ||||
|---|---|---|---|---|---|---|
\(\eta_{s}\) | \(\eta_{d}\) | \(\eta_{h}\) | \(\eta_{s}\) | \(\eta_{d}\) | \(\eta_{h}\) | |
I | 1 | 1 | 0.95 | 1 | 1 | 0.9 |
II | 1 | 0.95 | 0.8 | 1 | 0.85 | 0.7 |
III | 1 | 0.85 | 0.75 | 1 | 0.75 | 0.6 |
IV | 0.6 | 0.75 | 0.7 | 0.4 | 0.7 | 0.5 |
V | 0 | 0 | 0 | 0 | 0 | 0 |