Damage Assessment of an SRC Frame-Core Tube Structure under the Action of a Main Aftershock Sequence

Table 14

Vulnerability index of the structure under the main shock/main aftershock.

Sa(T1, 5%)	Vulnerability index (%)
	VIL		VIM		VIU
	Main shock	Main aftershock	Main shock	Main aftershock	Main shock	Main aftershock
0.00	0.00	0.00	5.00	5.00	10.00	10.00
0.05	3.89	11.73	10.29	20.17	16.70	28.60
0.10	15.35	28.28	24.51	39.19	33.66	50.09
0.20	37.00	50.44	48.48	61.98	59.96	73.52
0.50	69.20	75.17	79.32	84.47	89.43	93.77
1.00	81.80	83.02	89.97	90.95	98.13	98.87
1.50	84.15	84.43	91.84	92.06	99.53	99.69
2.00	84.73	84.80	92.29	92.35	99.85	99.89
2.50	84.90	84.92	92.42	92.44	99.95	99.96
3.00	84.96	84.96	92.47	92.47	99.98	99.98
3.50	84.98	84.98	92.49	92.49	99.99	99.99
4.00	84.99	84.99	92.49	92.49	100.00	100.00