Analysis of Bridge Health Detection Based on Data Fusion

Table 9

Safety rating standard table.

Evaluation standards
Level 1	Level 2	Level 3	Level 4	Level 5
K ≥ 1.20	1.00 ≤ K < 1.20	0.95 ≤ K < 1.00	0.90 ≤ K < 0.95	K ≤ 0.90