Delamination Detection of Reinforced Concrete Decks Using Modal Identification

Figure 11

Singular values of PSD of the responses (V1~V6) due to random excitation for the tested models: (a) undamaged model; (b) 22.2% delaminated model; (c) 51.9% delaminated model; (d) 74.1% delaminated model.

(a)

(b)

(c)

(d)