Effect of Ground Motion Directionality on Fragility Characteristics of a Highway Bridge

Table 1

60 LA ground motions.

Earthquakes	Probability of annual exceedance	ID	PGA (cm/sec^2)	Duration (sec)	Time increment (sec)
Imperial Valley, 1940, El Centro	10% in 50 years	LA01	452.03	53.48	0.02
		LA02	662.88	53.48	0.02
Imperial Valley, 1979, Array 05	10% in 50 years	LA03	386.04	39.38	0.01
		LA04	478.65	39.38	0.01
Imperial Valley, 1979, Array 06	10% in 50 years	LA05	295.69	39.08	0.01
		LA06	230.08	39.08	0.01
Landers, 1992, Barstow	10% in 50 years	LA07	412.98	79.98	0.02
		LA08	417.49	79.98	0.02
Landers, 1992, Yermo	10% in 50 years	LA09	509.70	79.98	0.02
		LA10	353.35	79.98	0.02
Loma Prieta, 1989, Gilroy	10% in 50 years	LA11	652.49	39.98	0.02
		LA12	950.93	39.98	0.02
Northridge, 1994, Newhall	10% in 50 years	LA13	664.93	59.98	0.02
		LA14	644.49	59.98	0.02
Northridge, 1994, Rinaldi RS	10% in 50 years	LA15	523.30	14.945	0.005
		LA16	568.58	14.945	0.005
Northridge, 1994, Sylmar	10% in 50 years	LA17	558.43	59.98	0.02
		LA18	801.44	59.98	0.02
North Palm Springs, 1986	10% in 50 years	LA19	999.43	59.98	0.02
		LA20	967.61	59.98	0.02
1995 Kobe	2% in 50 years	LA21	1258.00	59.98	0.02
		LA22	902.75	59.98	0.02
1989 Loma Prieta	2% in 50 years	LA23	409.95	24.99	0.01
		LA24	463.76	24.99	0.01
1994 Northridge	2% in 50 years	LA25	851.62	14.945	0.005
		LA26	925.29	14.945	0.005
1994 Northridge	2% in 50 years	LA27	908.70	59.98	0.02
		LA28	1304.10	59.98	0.02
1974 Tabas	2% in 50 years	LA29	793.45	49.98	0.02
		LA30	972.58	49.98	0.02
Elysian Park (simulated)	2% in 50 years	LA31	1271.20	29.99	0.01
		LA32	1163.50	29.99	0.01
Elysian Park (simulated)	2% in 50 years	LA33	767.26	29.99	0.01
		LA34	667.59	29.99	0.01
Elysian Park (simulated)	2% in 50 years	LA35	973.16	29.99	0.01
		LA36	1079.30	29.99	0.01
Palos Verdes (simulated)	2% in 50 years	LA37	697.84	59.98	0.02
		LA38	761.31	59.98	0.02
Palos Verdes (simulated)	2% in 50 years	LA39	490.58	59.98	0.02
		LA40	613.28	59.98	0.02
Coyote Lake, 1979	50% in 50 years	LA41	578.34	39.38	0.01
		LA42	326.81	39.38	0.01
Imperial Valley, 1979	50% in 50 years	LA43	140.67	39.08	0.01
		LA44	109.45	39.08	0.01
Kern, 1952	50% in 50 years	LA45	141.49	78.6	0.02
		LA46	156.02	78.6	0.02
Landers, 1992	50% in 50 years	LA47	331.22	79.98	0.02
		LA48	301.74	79.98	0.02
Morgan Hill, 1984	50% in 50 years	LA49	312.41	59.98	0.02
		LA50	535.88	59.98	0.02
Parkfield, 1966, Cholame 5W	50% in 50 years	LA51	765.65	43.92	0.02
		LA52	619.36	43.92	0.02
Parkfield, 1966, Cholame 8W	50% in 50 years	LA53	680.01	26.14	0.02
		LA54	775.05	26.14	0.02
North Palm Springs, 1986	50% in 50 years	LA55	507.58	59.98	0.02
		LA56	371.66	59.98	0.02
San Fernando, 1971	50% in 50 years	LA57	248.14	79.46	0.02
		LA58	226.54	79.46	0.02
Whittier, 1987	50% in 50 years	LA59	753.70	39.98	0.02
		LA60	469.07	39.98	0.02