Study on Settlement and Deformation of Urban Viaduct Caused by Subway Station Construction under Complicated Conditions

Table 1

Physical and mechanical properties of the wall rock.

Layer number	Name of soil layer	h (m)	Γ (kN/m^3)	φ (°)	c (kN/m^2)		Elastic modulus (kN/m^2)
1	Miscellaneous fill	2.5	1.75	6	8	0.37	9 e3
2	Clay soil	11.4	20.3	12	48	0.33	1.61 e4
3	Silty soil	9.7	20.3	23	30	0.3	3.0 e4
4	Silty sand	5	21	25	0	0.35	1.63 e4
5	Sandstones	3.6	21.8	30	35	0.35	1.5 e5
6	Pile foundation	—	25	36	30	0.2	3.15 e7
7	Diaphragm wall	—	22	36	30	0.2	2 e7