Study on Deformation Law of Subway Construction under Passing Existing Line in Short Distance

Table 1

Physical and mechanical properties of soils.

Soil type	Thickness (m)	Density (g·cm^−3)	Internal friction angle (°)	Cohesion (kPa)	Poisson’s ratio	Elastic modulus (MPa)
Fill	1.5	1.75	5	10	0.3	12.0
Silty soil	6.5	1.96	15.1	46.0	0.25	45.0
Fine sand	6.5	2.05	27	—	0.3	45.0
Clay soil	18	2.01	16.8	43.3	0.3	30.0
Sandy soil	21	2.02	27	—	0.3	48.0