Seismic Control of Tall Buildings Using Distributed Multiple Tuned Mass Dampers

Table 4

Scaled earthquakes’ specifications.

Accelerogram	Max. acceleration (g)	Max. velocity (cm/sec)	Max. displacement (cm)	Effective design acceleration (g)	Predominant period (sec)	Significant duration (sec)
Bam	0.78	128.55	33.95	0.64	0.20	8.24
El Centro	0.57	75.76	28.36	0.48	0.32	9.16
Kobe	0.56	38.83	15.68	0.56	0.36	4.16
Manjil	0.68	42.06	15.02	0.55	0.08	28.26
Northridge	0.59	64.57	22.16	0.58	0.40	10.40
Landers	0.73	141.02	113.78	0.56	0.08	12.92
San Fernando	0.60	23.71	15.88	0.61	0.10	6.03