Dynamic Characteristics of a Novel Right-Angle Viscoelastic Damper (RVD) Using Polyurethane Damping Materials

Table 8

Comparison of maximum interstory shear force for each layer between the frame without control and the frame with control.

Loading conditions			Maximum interstory shear force (kN)
			First floor	Second floor	Third floor	Fourth floor
EI centro wave	0.1 g	Without control	14.20	12.10	8.31	3.02
		With control	9.21	7.84	5.67	2.04
		Damping rate (%)	35.14	35.21	31.77	32.45
	0.2 g	Without control	28.40	24.21	16.62	6.03
		With control	18.16	15.87	11.47	4.04
		Damping rate (%)	36.06	34.45	30.99	33.0
	0.4 g	Without control	56.79	48.42	33.23	12.06
		With control	36.6	32.2	22.91	8.15
		Damping rate (%)	35.55	33.50	31.06	32.42