Effect of Different Types of Middle Columns on the Seismic Performance of Single-Story Subway Station Structure

Table 1

Physical parameters of soils.

The soil information	Depth (m)	Density ()	Shear wave velocity ()	Poisson’s ratio	Cohesive force (kPa)	Internal friction (°)
Artificial filled soil	0∼1.0	1900	140	0.33	20	15
Holocene sandy soil	1.0∼5.1	1900	140	0.32	1	40
Holocene sandy soil	5.1∼8.3	1900	170	0.32	1	40
Pleistocene clay	8.3∼11.4	1900	190	0.4	30	20
Pleistocene clay	11.4∼17.2	1900	240	0.3	30	20
Pleistocene sandy soil	17.2∼39.2	2000	330	0.26	1	40