Numerical Study on the Longitudinal Response Characteristics of Utility Tunnel under Strong Earthquake: A Case Study

Table 1

Information of the selected ground motions.

Ground motion information	Shizuoka wave	Tochigi wave
Event time (yy/mm/dd/hh:mm)	2009/08/11/05:07	2011/03/11/14:46
Moment magnitude	6.5	9.0
Focal depth (km)	23	24
Focal distance (km)	24.705	300.51
Station code	SZOH39	TCGH16
Borehole depth (m)	103	112
Bedrock shear wave velocity (m/s)	1500	680
Selected horizontal component	NS	NS
Horizontal PGA (g)	0.124	0.181
Vertical PGA (g)	0.057	0.140