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

<table>Comparisons of the ADSI damage index of various building stories based on the digital image method and the accelerometer method for building subject to the EL Centro 1940 earthquake data.</table>

Shock and Vibration

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Figure 22

Figure 22: Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation 