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

<table>Comparisons of the ASDI-based damage indices for the free vibration digital image method as proposed in this research and the conventional accelerometer method (cross-sectional dimensions of 280 mm and 400 mm).</table>

Shock and Vibration

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Figure 16

Figure 16: Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation 