Bearing Damage Detection of a Bridge under the Uncertain Conditions Based on the Bayesian Framework and Matrix Perturbation Method

Table 2

The damage identification results of the continuous beam structure.

Case	Preset damage severity	Identified damage severity (Bayesian method)	Identified damage severity (OASA method)
1	50% @ 1	46.96% @ 1	33.53% @ 1
	30% @ 48	27.54% @ 48	46.51% @ 48
2	30% @ 1#	36.46% @ 1#	29.83% @ 1#
3	50% @ 1	48.74% @ 1	49.96% @ 1
4	30% @ 1#	27.80% @ 1#	26.95% @ 1#
	50% @ 1	50.68% @ 1	39.62% @ 1
5	30% @ 1#	31.45% @ 1#	29.61% @ 1#
6	50% @ 26	46.68% @ 26	49.91% @ 26
7	30% @ 1#	28.01% @ 1#	39.91% @ 1#
	50% @ 26	54.44% @ 26	64.93% @ 26