Research Article

Dual Mode Sensing with Low-Profile Piezoelectric Thin Wafer Sensors for Steel Bridge Crack Detection and Diagnosis

Figure 8

Comparison of crack localization in CT test on 1/2′′ steel specimen. (a) Cumulative acoustic energy by PWAS and R15I; (b) cracking detection and localization by R15I; (c) cracking detection and localization by PWAS.
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(a)
402179.fig.008b
(b)
402179.fig.008c
(c)