Research Article

Ultrasonic Guided Waves-Based Monitoring of Rail Head: Laboratory and Field Tests

Figure 2

(a) Photo of the rail track mockup at UCSD; (b) layout of the tested mockup. The numbers on top of the rail layout represent the location number listed on the second column of Table 1.
291293.fig.002a
(a)
291293.fig.002b
(b)