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 280 mm.</table>

Shock and Vibration

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Figure 10

Figure 10: Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation 