Bridge Seismic Damage Assessment Model Applying Artificial Neural Networks and the Random Forest Algorithm
Table 3
The characteristics of five damage states.
Damage degrees
Characteristics
No damage
Load-bearing and non-load-bearing components are intact, or individual load-bearing components are slightly damaged and can be used without repair
Slightly damaged
Visible cracks appear in individual load-bearing components; non-load-bearing components have obvious cracks; can be used without repair or repair
Moderately damaged
Most load-bearing members have slight cracks; some have obvious cracks; some nonbearing members are seriously damaged; can be used after general repair
Seriously damaged
Most of the load-bearing members are seriously damaged; nonbearing members are partially collapsed; the repair is difficult
Completely damaged
Most of the load-bearing components are severely damaged; the structure tends to collapse or have collapsed; no repair is possible, and there is a need for reconstruction
