Seismic Acceleration Spectrum of Ground Surface under Urban Subway Tunnels with Circular Cross Sections in Soil Deposits Based on SSI

Table 4

Properties of acceleration records were calculated by the SeismoSignal.

No.	PGA (g)	PGV (Cm/s)	Predominant period (sec)	Time (sec)	Duration of the strong ground motion (D5-95) (sec)
1	0.1097	11.598	0.44	59.98	17.8
2	0.04295	3.725	0.3	59.98	35.7
3	0.2744	53.652	1.06	35.96	11.8
4	0.00796	0.7797	0.46	47.995	15.3
5	0.0475	5.007	0.7	22.65	12.3
6	0.00897	0.47518	0.14	59.99	30.6
7	0.2576	31.935	0.5	59.99	23.1
8	0.09145	6.332	0.3	39.98	23.4
9	0.11015	8.88	0.3	29.65	15.1
10	0.2203	34.118	0.66	35.955	11.8
11	0.08826	8.321	0.28	39.98	23.4