Seismic Retrofit of Reinforced Concrete Frame Buildings with Hysteretic Bracing Systems: Design Procedure and Behaviour Factor

Table 3

Main properties of equivalent bare structure and equivalent braced system.

Direction	Step 1						Step 2
	(t)	(sec)	() (a/g)	(kN)	(kN/mm)		(mm)			(kN)	(kN/mm)
	296	0.92	0.31	324	14	1.9	36	1.5	4	357	39
	296	0.87	0.33	360	15	1.8	37	1.5	4	320	34