Deformation Response Research of the Existing Subway Tunnel Impacted by Adjacent Foundation Pit Excavation

Table 3

Parameters of plate elements.

Parameter	Enclosure pile	Subway tunnel	Unit
Thickness, d	1.0	0.35	m
Unit weight,	25.5	22.5	kN·m^−3
Material properties	Isotropic	Isotropic	—
Elastic modulus, E	33.5e6	34.5e6	kN·m^−2
Poisson’s ratio,	0.2	0.2	—