Crack Identification Method of Steel Fiber Reinforced Concrete Based on Deep Learning: A Comparative Study and Shared Crack Database

Figure 1

Crack image acquisition (final crack picture). (a) 0.1% steel fiber. (b) 0.3% steel fiber. (c) 0.5% steel fiber. (d) 1.0% steel fiber. (e) 1.5% steel fiber. (f) 2.0% steel fiber. (g) 3.0% steel fiber.

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(b)

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