Research Article
Numerical Study of the Dynamic Compaction Process considering the Phenomenon of Particle Breakage
Table 1
Microscale parameters of PFC3D model.
| Parameters | Values |
| Particle number | 73318 | Particle density (kg·m−3) | 2600 | Particle radius (m) | 0.04 | Mass damping | 0.70 | Normal stiffness of the particles (N·m−2) | 5 × 106 | Tangential stiffness of the particles (N·m−2) | 5 × 106 | Hysteretic damping | 0.50 | Initial ground void ratio | 0.40 | Interparticle frictional coefficient | 0.50 | Tamp density (kg·m−3) | 7800 | Rammer gravity (N) | 3000.30 | Normal stiffness of the boundaries (N·m−2) | 1.00 × 108 | Tangential stiffness of the boundaries(N·m−2) | 1.00 × 108 | Poisson’s ratio | 0.30 | m | 10.00 | d0 (mm) | 2.00 | θ0 (rad) | π/18 | σlim,0 (Pa) | 3.00 × 109 |
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