Numerical Simulation on Dynamic Response of Existing Tunnel to Moving-Axle Loads under the Influence of Oblique Shield Crossing the Intersection Area

Table 1

Mechanical parameters of soil layers in the numerical model.

Type of soil layer	Density (kg/m^3)	Elastic modulus (MPa)	Poisson ratio	Friction angle (º)	Cohesion (kPa)
Silty clay	1820	10.33	0.33	7	12
Plastic silty clay	1850	15.32	0.31	17.03	19.4
Fully weathered granite	1960	21.97	0.29	21.3	18.17