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

Table 4

Information of the main aftershock sequence ground motion.

Station name	Aftershock time	Aftershock magnitude	Main shock (PGA) (g)	Aftershock (PGA) (g)	TA/TM
CHY025E	99/09/25	6.30	0.16	0.13	1.50
CHY046N	99/09/20	6.20	0.19	0.11	1.87
CHY047N	99/09/25	6.30	0.18	0.23	1.32
CHY052W	99/09/25	6.30	0.09	0.05	1.69
CHY057E	99/09/20	6.20	0.04	0.02	1.87
CHY063N	99/09/25	6.30	0.07	0.04	1.75
CHY065N	99/09/25	6.30	0.09	0.05	1.31
CHY076E	99/09/20	6.20	0.07	0.04	1.43
CHY080N	99/09/25	6.30	0.86	0.12	1.37
CHY082N	99/09/25	6.30	0.06	0.20	1.63
CHY107W	99/09/20	6.20	0.10	0.04	1.63
HWA002W	99/09/20	6.20	0.05	0.01	1.34
HWA030E	99/09/22	6.20	0.07	0.05	1.53
HWA033E	99/09/20	6.20	0.17	0.02	1.42
HWA035N	99/09/20	6.90	0.07	0.02	1.07