Damage Identification of Ancient Timber Structure Based on Autocorrelation Function

Figure 9

The peak rate of change under different damage conditions. (a) Elements 230 and 459 damaged simultaneously by 10%, (b) elements 231 and 456 damaged simultaneously by 10%, (c) elements 232 and 456 damaged simultaneously by 10%, and (d) elements 232 and 458 damaged simultaneously by 10%.

(a)

(b)

(c)

(d)