A Displacement-Based Design Method for Seismic Retrofit of RC Buildings Using Dissipative Braces

Table 9

Preliminary design. Damped braced frame: (a) equivalent SDOF system; (b) MDOF system.

(a) SDOF system. Bare frame + damped braces

Direction	x-x	y-y
	20.86	24.73	kN/mm
	1043	1826	kN
	719	1260	kN
	9.63%	11.14%	-
	0.78	0.73	-
	2.86	2.86	sec
	303	303	mm
	0.61	0.95	sec

(b) MDOF system

Direction	x-x	y-y
	50.00	73.85	mm
	20.85	24.73	kN/mm
x	1043	1826	kN
	719	1260	kN
	8.58	8.58	-
	5.83	8.61	mm