Seismic Behavior of a Novel Buckling-Restrained Steel Plate Shear Wall

Table 7

Cyclic test histories.

Load procedure	Load step	Number of cycles	Cumulative number of cycles	Peak load (Vp, kN)	Displacement (Δ, mm)	Drift ratio (θ, %)
SPSW
Displacement controlled	1	3	3	68.94	0.57	0.06
	2	3	6	109.87	1.04	0.11
	3	3	9	138.43	1.40	0.15
	4	3	12	157.02	2.05	0.22
	5	3	15	258.74	4.14	0.45
	6	3	18	309.64	8.03	0.87
	7	3	21	304.88	12.01	1.31
	8	3	24	312.75	16.08	1.75
	9	3	27	323.19	24.03	2.61
	10	3	30	339.40	30.11	3.27
	11	3	33	357.80	37.99	4.13
	12	3	36	362.10	44.14	4.80
	13	3	39	355.42	51.92	5.64
BRSPSW
Displacement controlled	1	3	3	106.85	0.56	0.06
	2	3	6	156.83	1.06	0.12
	3	3	9	194.28	1.56	0.17
	4	3	12	227.79	2.09	0.23
	5	3	15	303.69	4.11	0.45
	6	3	18	353.68	7.93	0.86
	7	3	21	405.04	12.18	1.32
	8	3	24	460.98	16.13	1.75
	9	3	27	540.18	24.15	2.63
	10	3	30	573.14	30.08	3.27
	11	3	33	497.15	32.20	3.50
	12	3	36	514.73	44.07	4.79
	13	3	39	491.29	51.92	5.64