Shock and Vibration / 2017 / Article / Tab 5

Research Article

Effects of Precast Cladding Systems on Dynamic Characteristics of Steel Frame Buildings by Ambient and Free Vibration Tests

Table 5

Comparison of dynamic parameters estimated from ambient and free vibration tests.

CaseNatural frequencyDamping ratio
AVT (Hz)FVT (Hz)AVT/FVTAVT (%)FVT (%)AVT/FVT

13.403.411.000.10.200.50
23.923.631.082.02.70.72
34.073.771.081.92.40.78
43.953.811.041.32.40.56
54.424.161.061.52.40.63
63.903.701.051.72.20.78
74.273.951.080.92.20.43
83.593.441.041.20.81.51
93.763.531.071.31.01.27
104.654.531.031.92.40.79