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

<table>Comparisons of the identified building natural frequencies obtained using the method proposed in this research and the conventional method for cross-sectional dimensions of 400 mm.</table>

Shock and Vibration

fig7

Figure 7

Figure 7: Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation 