Research Article
Ductility and Strength Reduction Factors for Degrading Structures Considering Cumulative Damage
Table 1
Hysteretic behavior models under consideration.
| Hysteretic model | Postyielding stiffness (%) | (strength degradation) | (stiffness degradation) | | Description |
| EP | 0 | 0 | 0 | 9 | Nondegrading EP model | B5D10 | 5 | 0.321 | 0.152 | 7.5 | Strength degradation and low stiffness degradation typical of steel structures | B5D30 | 5 | 0.321 | 0.515 | 5.6 | Strength degradation and moderate to large stiffness degradation typical of reinforced concrete structures |
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