Experimental Study on Detection of Deterioration in Concrete Using Infrared Thermography Technique

Figure 12

Absolute contrast during cooling time for the delaminations of sizes: (a) 10 × 10 cm, (b) 7 × 7 cm, (c) 5 × 5 cm, and (d) 3 × 3 cm under the 20-minute heating cycle.

(a)

(b)

(c)

(d)