Numerical Simulation of Diversion Tunnel Excavation Using GPU-Accelerated Anisotropic Random Fields

Table 2

Suggested values of random field parameters for red layer excavation tunnels in central Yunnan.

Threshold of correlation function	Cohesion (MPa)	Friction angle (°)	Young’s modulus (GPa)	Poisson’s ratio	Density (kg/m^3)	Geostress (MPa)
0.5	0.1-0.4	25-35	20	0.25	2500	14.5