Effectiveness of Friction Dampers in Seismic and Wind Response Control of Connected Adjacent Steel Buildings

Table 12

Effectiveness of the FDs for different configurations of the connected dynamic similar and dissimilar steel buildings under earthquake ground motions and gust wind speeds.

Frame	Events	Peak top floor displacement, xn (%)			Peak top floor acceleration, ẍn (%)
		A	B	C	A	B	C
5-5 MRF-MRF	Earthquake	21.33	15.63	6.83	20.07	14.35	8.53
	Wind	2.77	2.12	2.37	3.52	1.97	2.28
20-20 MRF-MRF	Earthquake	21.39	10.02	4.21	16.22	12.10	7.39
	Wind	33.97	26.90	30.15	33.90	26.59	31.28
5-5 BF-BF	Earthquake	29.72	23.82	18.70	31.75	27.92	25.27
	Wind	0.33	0.19	0.24	0.75	0.48	0.75
20-20 BF-BF	Earthquake	20.55	17.70	11.33	26.97	22.14	19.38
	Wind	19.01	11.99	16.45	15.36	9.94	13.20
5-5 MRF-BF	Earthquake	49.65	38.75	40.40	29.75	25.98	21.97
	Wind	2.75	2.08	2.33	3.52	1.86	2.45
20-20 MRF-BF	Earthquake	39.92	33.35	31.39	9.80	6.89	2.96
	Wind	28.28	17.68	22.78	33.90	26.59	31.28
5-5 BF-MRF	Earthquake	29.51	23.10	30.97	28.51	26.16	25.13
	Wind	1.37	0.42	1.37	0.34	0.14	0.24
20-20 BF-MRF	Earthquake	11.45	8.52	10.24	19.32	8.32	11.95
	Wind	17.43	11.52	15.65	15.56	10.28	13.74
5-10 MRF-MRF	Earthquake	36.95	39.31	30.62	29.96	26.47	29.48
	Wind	14.03	13.64	13.87	8.53	8.07	8.30
15-20 MRF-MRF	Earthquake	22.59	13.09	11.29	25.22	21.85	25.91
	Wind	20.61	12.36	16.70	12.44	9.56	12.44
5-10 MRF-MRF	Earthquake	17.91	15.32	12.16	9.75	5.69	2.65
	Wind	14.93	14.63	14.78	2.63	2.14	2.42
15-20 MRF-MRF	Earthquake	22.93	15.04	8.01	9.85	5.47	−2.94
	Wind	43.90	41.85	44.33	3.74	4.38	3.10

Response reduction obtained for that building.