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Fig. 10 | Journal of Infrastructure Preservation and Resilience

Fig. 10

From: Ultrasonic pitch and catch technique for non-destructive testing of reinforced concrete slabs

Fig. 10

2D reconstructed image of artificial voids. a 2D reconstructed image at the location of the artificial voids (refer to section 3–3 in Fig. 4a). b Amplitude versus depth relationship at the location of an artificial void (refer to section E-E in Fig. 9a). c Amplitude versus horizontal coordinate relationship at the location of artificial voids and fully-bonded rebars (refer to section F-F in Fig. 9a)

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