Coupling ATMD System for Seismic Response Control of Two Adjacent Buildings

Table 5

Comparative results of seismic performances and control requirements among OUS, IAS, and CAS against three earthquake excitations.

Responses	EQs	OUS		IAS		CAS
		Bld. 1	Bld. 2	Bld. 1	Bld. 2	Bld. 1	Bld. 2
Maximum interstory drift (cm)	El Centro	3.39	4.16	1.09	0.96	1.35	0.98
	Kobe	3.82	4.35	1.53	1.49	1.88	1.13
	Northridge	3.52	2.31	2.04	1.26	2.29	1.38
	Max.	3.82	4.35	2.04	1.49	2.29	1.38
Maximum floor displacement (cm)	El Centro	26.05	28.25	7.27	6.46	7.20	6.09
	Kobe	27.03	29.17	10.57	11.11	10.60	8.49
	Northridge	18.48	12.78	12.31	8.26	12.28	9.46
	Max.	27.03	29.17	12.31	11.11	12.28	9.46
Maximum base shear force (MN)	El Centro	6.26	10.59	2.02	2.34	2.49	2.50
	Kobe	7.05	11.08	2.82	3.80	3.48	2.87
	Northridge	6.50	5.88	3.77	3.19	4.23	3.51
	Max.	7.05	11.08	3.77	3.80	4.23	3.51
Maximum base moment (MN·m)	El Centro	182.66	273.24	50.98	62.45	50.52	58.87
	Kobe	189.56	282.18	74.16	107.50	74.32	82.15
	Northridge	129.58	123.61	86.35	79.89	86.10	91.55
	Max.	189.56	282.18	86.35	107.50	86.10	91.55
Maximum control force (kN)	El Centro	—	—	745.98	713.62	1,061.93	964.88
	Kobe	—	—	970.91	977.17	1317.71	1161.65
	Northridge	—	—	1263.59	1419.19	929.33	1211.96
	Max.	—	—	1263.59	1419.19	1317.71	1211.96
Maximum TMD stroke (cm)	El Centro	—	—	208.62	160.11	222.85	224.45
	Kobe	—	—	254.84	254.30	282.00	283.15
	Northridge	—	—	373.05	215.10	375.02	377.70
	Max.	—	—	373.05	254.30	375.02	377.70
Maximum control power (MW)	El Centro	—	—	5.54	4.98	6.60	5.88
	Kobe	—	—	9.04	10.32	19.55	9.24
	Northridge	—	—	14.59	6.31	9.93	14.37
	Max.	—	—	14.59	10.32	19.55	14.37