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

Table 4

Characteristics of the dissipative braces.

Direction	Storey	Step 3		Step 4
		(kN)	(kN/mm)	Configuration inverted V			Configuration D
				Rigid truss	(kN)	(kN/mm)	Rigid truss	(kN)	(kN/mm)
	1st	358	130	HE 180A	165	165	HE 140A	115	80
	2nd	316	103	HE 160A	150	125	HE 120A	100	60
	3rd	227	101	HE 160A	100	120	HE 120A	70	60
	4th	104	98	HE 140A	50	130	HE 120A	40	60
	1st	320	111	HE 180A	150	130	HE 120A	100	60
	2nd	282	91	HE 160A	130	110	HE 100A	90	45
	3rd	203	89	HE 160A	100	100	HE 100A	65	45
	4th	94	81	HE 140A	50	100	Tube 114.3x5	30	40