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

Table 12

Seismic vulnerability matrix of the structure under main shock and main aftershock ground motion (%).

Earthquake fortification level	Basically intact		Slight damage		Moderate damage		Severe damage		Collapse
	Main shock	Main aftershock	Main shock	Main aftershock	Main shock	Main aftershock	Main shock	Main aftershock	Main shock	Main aftershock
Intensity 8 frequent earthquakes	72.71	48.77	18.05	26.21	7.21	17.24	1.88	6.37	0.15	1.41
Intensity 8 fortification earthquakes	25.61	10.72	27.91	21.19	25.94	29.60	14.63	23.86	5.91	14.63
Intensity 8 rare earthquakes	7.10	2.22	15.56	8.95	25.41	20.56	25.23	27.94	26.70	40.33