Research Article

Experimental Study and Seismic Response Evaluation of Chlorobutyl Rubber-Based Viscoelastic Dampers

Table 3

Experimentally evaluated response properties of the 1/5 scale prototype viscoelastic dampers.

f (Hz)Shear deformation (mm)Reference CIIRModified CIIR
(kN/mm) (kN.s/mm)k (kN/mm)c (kN.s/mm)β

0.540.2390.01080.070.5740.06410.18
80.1720.01240.110.4610.05250.18
120.1440.01150.120.3690.03720.16

0.740.2550.01280.110.5370.04610.19
80.1960.01110.120.3960.03250.18
120.1890.00940.110.3120.02470.17

1.040.2590.00970.120.5760.02750.15
80.1900.00640.110.4280.02170.16
120.1730.00540.100.4330.01870.14

3.040.2610.00310.110.6590.01550.22
80.2060.00270.120.5180.01050.19