Study on Seismic Performance of a Stiffened Steel Plate Shear Wall with Slits

Table 2

Initial lateral stiffness and the bearing capacity of the steel slit wall.

Specimens number	Bearing capacity (kN)			Initial lateral stiffness (kN⋅mm^−1)
			(%)				(%)	(%)
W1	725.37	719.82	0.77	146.27	122.12	119.24	22.68	2.42
W3	860.43	850.75	0.14	179.77	144.82	139.10	29.24	4.12
W5	1279.01	1202.71	6.34	268.22	201.23	188.55	42.25	6.72
W7	1290.64	1241.50	3.96	325.56	253.17	243.26	33.83	4.07
W9	645.32	634.40	1.72	96.05	85.28	84.22	14.05	1.26
W11	444.35	417.63	6.40	32.97	33.39	34.53	−4.51	−3.30
W12	322.66	308.89	4.46	14.47	16.04	15.23	−4.98	5.32
W15	502.76	475.64	5.70	32.95	33.39	36.36	−9.39	−8.18
W16	362.68	351.78	3.10	24.71	25.88	25.69	−3.79	0.77
W17	282.28	274.39	2.87	19.77	20.92	21.04	−6.06	−0.61
W20	639.51	620.64	3.04	63.63	58.19	62.60	1.66	−7.05
W2	725.37	639.78	13.38	85.81	69.26	65.03	31.97	6.52
W4	860.43	732.03	17.54	109.82	84.21	85.87	27.89	−1.93
W6	1279.01	941.51	35.85	183.92	124.94	131.19	40.19	−4.77
W8	1290.64	941.09	37.14	242.49	167.65	152.50	59.01	9.94
W10	645.32	517.70	24.65	53.18	54.03	49.85	6.68	8.38
W13	1195.52	864.92	38.22	114.41	90.93	95.26	20.11	−4.54
W14	739.07	491.00	50.52	68.65	57.46	55.55	23.57	3.44
W18	1290.64	941.04	37.15	193.19	131.22	129.39	49.31	1.42
W19	1918.51	1079.53	77.72	282.97	167.55	175.29	61.43	−4.42