Structural Optimization Design of Ship Lock Heads on Soft Soil considering Time-Varying Effects of the Structure and Foundation

Table 2

Main material properties of the soil foundation and backfilled soil.

Definition	Soft foundation	Backfilled soil
Mass density (kg/m^3)	1900	1900
Poisson’s ratio	0.3	0.3
Initial void ratio	0.837	0.837
Virgin compression index	0.0853	0.082
Unloading-reloading index	0.00714	0.00697
Permeability coefficient	0.776	0.003
Critical-state parameter	0.933	1.502
Preconsolidation pressure (KPa)	450.587	191.361