An Index for Rail Weld Health Assessment in Urban Metro Using In-Service Train

Figure 6

WMAS and velocity-weighted WMAS. a) test code: ABA_SN_346_0506, b) test code: ABA_SN_346_1314, c) test code: ABA_SN_346_1718, and d) test code: ABA_SN_346_2526.

(a)

(b)

(c)

(d)