A New Buckling-Restrained Brace with a Variable Cross-Section Core

Table 4

Comparison of theoretical and test results.

Series	Specimen	ke (kN/mm)			Fy (kN)			δy (mm)
		Test	Formula	Error (%)	Test	Formula	Error (%)	Test	Formula	Error (%)
S-I	BRB-VCC-1	130.2	131.5	0.10	35.2	36.1	2.74	0.29	0.28	1.82
	BRB-VCC-2	133.5		1.49	36.0		0.33	0.30		2.18
	BRB-VCC-3	139.4		5.63	36.6		1.33	0.28		4.36
S-II	BRB-VCC-4	110.4	115.2	4.19	30.7	30.1	1.83	0.23	0.24	4.16
	BRB-VCC-5	115.6		0.29	31.5		4.48	0.24		0
	BRB-VCC-6	109.4		5.02	31.7		5.02	0.23		4.16