Optimal Location of Multiple Tuned Mass Dampers in Regular and Irregular Tall Steel Buildings Plan

Table 3

Near-field earthquake properties.

	Record	Station	Year	Dis (km)	Mag	PGA	PGV (cm/s)	Ts (sec)	Duration (sec)
1	Alaska-Denali	Pump	2002	2.74	7.9	0.32	1689	3.48	86
2	Bam	Bam	2003	1.7	6.6	0.59	417	0.78	37.36
3	Chi-Chi	Thy101	1999	9.94	7.62	0.44	261.38	0.9	26.48
4	Chi-Chi	Tcu 68	1999	0.32	7.62	0.56	312	0.42	12.48
5	Imperial-Valley	El Centro Array	1979	1.35	6.53	0.43	250.12	0.24	8.49
6	Kobe	Takatori	1995	1.47	6.9	0.61	206	1.22	11.34
7	Borujerd	Silakhor	1909	12	7.3	0.44	321	1.52	56.34