Online Bridge Structural Condition Assessment Based on the Gaussian Process: A Representative Data Selection and Performance Warning Strategy

Figure 14

Warning results based on the proposed method with different severity degrees, first scenario, the Third Nanjing Yangtze River Bridge (samples 1–1920: training dataset; samples 1921–2400: validation dataset; samples 2401–2880: test dataset with 10% severity degree; samples 2881–3360: test dataset with 20% severity degree; samples 3361–3840: test dataset with 40% severity degree; red solid line: warning threshold I).