Optical-Fiber-Based Smart Concrete Thermal Integrity Profiling: An Example of Concrete Shaft

Figure 7

Result of simulation with different sizes. (a, d, g) Actual size of defect, (b, e, h) size determination by the optical fiber method, and (c, f, i) size determination by the conventional method.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)