Research Article
Dynamic Rock-Breaking Process of TBM Disc Cutters and Response Mechanism of Rock Mass Based on Discrete Element
Table 2
Mesomechanical parameters of the particle flow model.
| | Density (kg/m3) | Normal stiffness (GPa) | Tangential stiffness (GPa) | Normal strength (MPa) | Tangential strength (MPa) | Frictional coefficient |
| | 2420.0 | 18.0 | 18.0 | 55.0 | 35.0 | 0.5 |
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