Research Article

The Effect of Foundation Flexibility on Probabilistic Seismic Performance of Plan-Asymmetric Buildings with Different Strength Distributions

Table 8

The relation between damage index and damage state.

Damage stateDefinition

No damageDI < 0.1
Minor damage (IO performance level)0.1 < DI < 0.25
Moderate damage (LS performance level)0.25 < DI <  0.4
Severe damage (CP performance level)0.4 < DI <  0.8
CollapseDI > 0.8