A New Method to Calculate Additional Damping Ratio considering the Effect of Excitation Frequency

<div>Relationship between <i>f</i><sub>1</sub> and <i>ζ</i><sub>1</sub> under El Centro seismic excitation.</div>

Advances in Civil Engineering

Figure 10: A New Method to Calculate Additional Damping Ratio considering the Effect of Excitation Frequency 