Deformation Analysis of a New Subway Transfer Channel Closely Undercrossing an Existing Station

Table 2

Soil layer parameters.

Soil horizon	Thickness (m)	Gravity (kN·m^−3)	Es (MPa)	Cohesive strength (kN·m^−2)	Angle of internal friction (°)	Poisson’s ratio (v)
Miscellaneous fill	1.3	18	11.25	7	10	0.4
Silty clay	2.6	18.5	15.3	20	15	0.35
Loose pebbles	5.6	20	28	0	25	0.32
Slightly dense pebbles	9.1	21	31	0	30	0.31
Medium-dense pebbles	6.8	22	33	0	35	0.3
Dense pebbles	34.6	23	35	0	40	0.29
Weighted average	60	21	33.7	0	31	0.3