Research Article
Study on Microscopic Roadbed Grouting Mechanism Based on CFD-DEM Coupling Algorithm
Table 1
Particle simulation parameters.
| | Particle diameter (mm) | 6 | | Static friction coefficient | 0.4 | | Density (kg/m³) | 1920 | | Poisson’s ratio | 0.28 | | Gravity acceleration (m/s2) | 9.81 | | Parallel bond stiffness (N/m³) | 1.50E + 06 | | Normal bond stiffness (N/m³) | 1.50E + 06 | | Normal critical stress (Pa) | 2.00E + 08 | | Tangential critical stress (Pa) | 2.00E + 08 |
|
|
