Shock and Vibration / 2017 / Article / Fig 11

Research Article

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

Figure 11

Amplitude-dependent natural frequencies estimated from free vibration tests.
(a) Case
(b) Case
(c) Case
(d) Case
(e) Case
(f) Case
(g) Case
(h) Case
(i) Case
(j) Case