Performance of the Cold-Bending Channel-Angle Buckling-Restrained Brace under Cyclic Loading

Table 7

Ductility indices and energy dissipation indices of the specimens.

Specimen	Energy dissipation coefficient				Equivalent viscous damping ratio				Ductility coefficient	Cumulative plastic deformation
	0.5%	1.0%	1.5%	2.0%	0.5%	1.0%	1.5%	2.0%
BRB-1	2.646	2.894	2.902	2.854	0.421	0.461	0.462	0.454	11.4	311.2
BRB-2	2.609	2.851	2.900	2.835	0.415	0.454	0.461	0.451	12.4	326.6
	0.5%	0.75%	1.0%	1.5%	0.5%	0.75%	1.0%	1.5%
BRB-3	2.612	2.770	2.896	3.050	0.416	0.441	0.461	0.485	7.4	167.6