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

Table 2

Calculating parameters of structural elements.

Type	Material	Density (g·cm^−3)	Poisson’s ratio	Elastic modulus (GPa)
CFG pile	C20	2.5	0.2	25
Subgrade	C30	2.5	0.2	30
Tube slice	C50	2.5	0.25	34
Grouting layer	Grouting and strengthening soil layer	2.0	0.3	68