Correlation Effects of Near-Field Seismic Components in Circular Metro Tunnels: A Case Study—Tehran Metro Tunnels

Table 8

Specifications of selected earthquake record.

Parameter	Tabas vertical	Tabas horizontal	Cape vertical	Cape horizontal	Lomaperieta vertical	Lomaperieta horizontal	Northridge vertical	Northridge horizontal
MW	7.35	7.35	7.01	7.01	6.93	6.93	6.69	6.69
PGA (g)	0.19	0.409	0.739	1.49	0.896	0.607	0.32	0.426
PGV (cm/s)	11.17	27.11	57.95	122.3	55.94	51.55	20.38	74.85
Duration (s)	20.98	20.98	29.98	29.98	25	25	26.57	26.57
D5-95 (s)	11.3	11.3	9.7	9.7	10.2	10.2	6.5	6.5
Year	1978	1978	1992	1992	1989	1989	1994	1994
RSN	139	139	825	825	779	779	1013	1013
Rjb (km)	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
Rrup (km)	13.94	13.94	6.96	6.96	3.88	3.88	5.92	5.92