Research Article

Delamination Detection of Reinforced Concrete Decks Using Modal Identification

Figure 12

Comparison of mode shapes by FDD, SSI from responses due to random excitation and ANSYS model: (a) undamaged model; (b) 22.2% delaminated model; (c) 51.9% delaminated model; (d) 74.1% delaminated model.
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(a)
156583.fig.0012b
(b)
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(c)
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(d)