Research Article

Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels

Table 3

Physical parameters of the surrounding rock.

Density (kg/m3)Elastic modulus (MPa)Poisson's ratioCohesion (kPa)Friction angle (°)

Model material13001.070.253.0625
Prototype material169034.80.2599.525
Similarity ratio1 : 1.31 : 32.51 : 11 : 32.51 : 1