Seismic Damage and Collapse Assessment of Reinforced Concrete Frame Structures Using a Component-Classification Weighted Algorithm

Table 5

Failure probability corresponding to different fortification intensities (SA₁ and PGD).

Performance level	Earthquake magnitude	Fortification intensity = 8					Fortification intensity = 9
		SA1 (cm/s^2)	PGD				SA1 (cm/s^2)	PGD
			100 cm	300 cm	600 cm	1000 cm		100 cm	300 cm	600 cm	1000 cm
Operational performance	Frequent earthquake	81	0.001	0.001	0.002	0.025	175	0.040	0.043	0.052	0.246
	Basic fortification	158	0.029	0.032	0.039	0.204	316	0.335	0.544	0.665	0.815
	Rare earthquake	316	0.335	0.444	0.665	0.885	491	0.711	0.822	0.949	0.973
Slight damage	Frequent earthquake	81	0.000	0.000	0.001	0.010	175	0.016	0.018	0.022	0.143
	Basic fortification	158	0.011	0.013	0.116	0.213	316	0.069	0.174	0.287	0.338
	Rare earthquake	316	0.069	0.274	0.387	0.638	491	0.318	0.426	0.545	0.752
Medium damage	Frequent earthquake	81	0.000	0.000	0.000	0.006	175	0.010	0.011	0.014	0.103
	Basic fortification	158	0.007	0.008	0.010	0.080	316	0.046	0.050	0.060	0.269
	Rare earthquake	316	0.046	0.050	0.060	0.269	491	0.184	0.290	0.305	0.476
Serious damage	Frequent earthquake	81	0.000	0.000	0.000	0.002	175	0.003	0.004	0.005	0.050
	Basic fortification	158	0.002	0.002	0.003	0.037	316	0.020	0.022	0.026	0.160
	Rare earthquake	316	0.020	0.022	0.026	0.160	491	0.039	0.092	0.211	0.343