Stochastic Optimization of a Nonlinear Base Isolation System with LRB and EIMD for Building Structures

Table 1

Information of the ground motion records.

Record sequence	Event	Year	Station	Magnitude	Rupture distance (km)	VS30 (m/s)	Component
5295	Chuetsu-oki, Japan	2007	SIT003	6.8	169.99	99.93	NS
6443	Niigata, Japan	2004	AIC003	6.63	292.12	144.37	EW
4941	Chuetsu-oki, Japan	2007	CHB008	6.8	218.62	143.47	NS
6650	Niigata, Japan	2004	KNG013	6.63	216.69	89.32	NS