Multihazard Response Control of Base-Isolated Buildings under Bidirectional Dynamic Excitation

Table 2

Details of the six bidirectional earthquake ground motions used in the study.

Sl. no.	Earthquake event	Date of event	Rrup (km)	Record (NF/FF)	Notation	Component	Direction	PGA
1	Imperial Valley	Oct 15, 1979	3.95	Array #5 (NF)	IV1979	Normal (N)	X	0.37
						Parallel (P)	Y	0.55
2	Loma Prieta	Oct 18, 1989	3.88	LGPC (NF)	LP1989	Normal (N)	X	0.57
						Parallel (P)	Y	0.61
3	Northridge	Jan 17, 1994	5.30	Sylmar (NF)	NR1994	Normal (N)	X	0.73
						Parallel (P)	Y	0.59
4	Imperial Valley	Oct 15, 1979	22.03	Delta (FF)	IV1979F	Normal (N)	X	0.24
						Parallel (P)	Y	0.35
5	Loma Prieta	Oct 18, 1989	24.82	HDA (FF)	LP1989F	Normal (N)	X	0.27
						Parallel (P)	Y	0.28
6	Northridge	Jan 17, 1994	23.41	Century City (FF)	NR1994F	Normal (N)	X	0.26
						Parallel (P)	Y	0.22