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

Table 6

Interlayer displacement angle of station structure for various conditions.

Set	S (m)	Maximum displacement angle		R2 (%)
		Upper layer	Lower layer	Upper layer	Lower layer
SS1		1/1041	1/739
STS10	3	1/1013	1/712	2.813	3.769
STS12	6	1/1013	1/716	2.813	3.178
STS14	12	1/1015	1/714	2.604	3.474
STS16	18	1/1016	1/718	2.500	2.882
STS11	3	1/1026	1/733	1.458	0.813
STS13	6	1/1026	1/733	1.458	0.813
STS15	12	1/1026	1/731	1.458	1.034
STS17	18	1/1026	1/731	1.458	1.034