Numerical Simulation Study on Construction Effect of Top-Down Construction Method of Suspended Diaphragm Wall for Deep and Large Foundation Pit in Complex Stratum

Table 2

Material parameters of supporting structure.

Structure name	Element type	Constitutive model	Modulus of elasticity (kN/m^2)	Poisson’s ratio	Unit weight (kN/m^3)	Thickness/diameter (m)
Diaphragm wall	Plate	Elastic	32500000	0.2	24.5	1.5
Ring frame beam	Beam	Elastic	32500000	0.2	24.5	3.5 × 1.8
Top plate/middle plate	Plate	Elastic	32500000	0.2	24.5	0.4
Floor	Plate	Elastic	32500000	0.2	24.5	3