Seismic Retrofit of a Multispan Prestressed Concrete Girder Bridge with Friction Pendulum Devices

Table 7

Earthquake ground motion parameters.

Number	Earthquake record	Id. station	Date	Component PGA [g]				[s]	[m/s]
				Long.	Trans.	Vert.
	Christchurch	RHSC	21/02/11	0.290	0.250	0.195	57	57	1.115
	Off Noto P.	ISK006	25/03/07	0.866	0.732	0.462	75	75	9.061
	South Iceland	306	21/06/00	0.109	0.091	0.063	40	40	0.067
	Kagoshima	KGS004	26/03/97	0.134	0.299	0.098	70	70	1.011
	Northridge	24087	17/01/94	0.344	0.308	0.552	60	60	1.469
	Loma Prieta	57007	18/10/89	0.479	0.630	0.439	40	40	3.175
	Irpinia	Calitri	23/11/80	0.175	0.158	0.166	86	86	1.364