Seismic Response Study of Tunnels Running underneath a Subway Station in Parallel

Table 5

Acceleration at the top of the interior column.

Set	S (m)	Acceleration amplitude (m/s^2)	R2 (%)
SS1		1.345
STS10	3	1.207	−10.260
STS12	6	1.204	−10.483
STS14	12	1.201	−10.706
STS16	18	1.201	−10.706
STS11	3	1.198	−10.929
STS13	6	1.199	−10.855
STS15	12	1.200	−10.781