Research Article

Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation

Figure 6

The typical dynamic responses, detected from DIC method, with width of column = 380 mm under excitation of free vibration as typical responses records.
954840.fig.006a
(a) Absolute displacement record
954840.fig.006b
(b) Relative displacement record
954840.fig.006c
(c) Story drift record