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

Table 13

Final design. Buckling-restrained braces (BRB).

(a) Distribution of BRB along the height, direction x-x

Floor	BRB type						Steel Brace
		[kN/mm]	[kN]	mm	mm	mm		[mm^2]	[kN/mm]	[kN/mm]	(kN/mm]
1	48/40	210	417	1640	3400	1760	193,7/10	5770	688.47	160.92	1287.33
2	27/40	123	239	1585	3660	2075	193,7/6	3540	358.27	91.56	732.51
3	14/40	60	119	1560	3700	2140	168,3/4	2060	202.15	46.27	370.14

(b) Distribution of BRB along the height, direction y-y

Floor	BRB type								Steel Brace
		[kN/mm]	[kN]	mm	mm	mm	mm	mm		[mm^2]	[kN/mm]	[kN/mm]	[kN/mm]	[kN/mm]	(kN/mm]
1	48/40	210	417	1640	4220	3911	2580	2271	193,7/10	5770	469.65	533.55	145.11	150.69	1172.06
2	27/40	123	239	1585	4310	4000	2725	2415	193,7/6	3540	272.81	307.83	84.78	87.88	684.43
3	14/40	60	119	1560	4310	4000	2750	2440	168,3/4	2060	157.31	177.30	43.43	44.83	350.26