Parameter Analysis on Hardening Soil Model of Soft Soil for Foundation Pits Based on Shear Rates in Shenzhen Bay, China

Table 2

Main parameters of the HS model [29, 30].

Strength parameter	Stiffness parameter	Advanced parameter
Effective cohesion	Reference secant stiffness	Reference stiffness stress
Effective friction angle	Reference tangent stiffness	Unloading/reloading Poisson’s ratio
Dilation angle	Side pressure coefficient	Reference unloading/reloading stiffness
—	Failure ratio	Power exponent of stiffness-stress level correlation m