Seismic Performance Evaluation of Special RC Frames with Gravity Steel Columns under the Base Level

Table 3

Collapse performance evaluation of RCN archetypes.

No. of performance group	Archetype design ID number	No. of SMF stories			Sct	Smt	CMR	SSF	ACMR	Accept ACMR	Pass or fail
1	3U2B3B4mBL	3	2.83	8.42	3.75	1.5	2.5	1.33	3.33	1.8	P
Group performance			2.83						3.33	2.45	P
2	3U2B3B7mBL	3	2.7	8.59	3.45	1.5	2.3	1.33	3.06	1.8	P
Group performance			2.7						3.06	2.45	P
3	7U3B3B4mBL	7	2.23	8.78	2.25	0.78	2.89	1.49	4.31	1.8	P
	11U4B3B4mBL	11	2.47	7.14	1.23	0.53	2.32	1.6	3.71	1.8	P
	15U5B3B4mBL	15	2.16	7.24	1.09	0.53	2.06	1.5	3.09	1.8	P
Group performance			2.27						3.7	2.45	P
4	7U3B3B7mBL	7	2.56	7.33	1.99	0.78	2.55	1.49	3.81	1.8	P
	11U4B3B7mBL	11	2.74	7.88	1.23	0.53	2.32	1.6	3.71	1.8	P
	15U5B3B7mBL	15	2.38	6.61	1.05	0.53	1.99	1.5	2.98	1.8	P
Group performance			2.56						3.5	2.45	P