Research on the Method of Ground Stress Balance under Complex Conditions Based on Geometric Tracing

Table 1

Material parameters of the numerical model.

Materials	Modulus of elasticity (kPa)	Poisson’s ratio	Cohesion (kPa)	Angle of friction (°)	Gravity load (kN/m^3)
Clay	1.5 × 10^4	0.3	32	14	20
Concrete	3.15 × 10^7	0.2	—	—	25