Research Article
Hybrid Finite-Discrete Element Modelling of Excavation Damaged Zone Formation Process Induced by Blasts in a Deep Tunnel
Table 2
Rock prosperities for hybrid finite-discrete element modelling of EDZ in a deep tunnel.
| | Properties | Symbols | Values | Units |
| | Young’s modulus | | 60 | | | Poisson’s ratio | | 0.26 | | | Density | | 2600 | | | Tensile strength | | 20 | | | Compressive strength | | 200 | | | Internal friction angle | | 20 | (degrees) | | Surface friction coefficient | | 0.1 | | | Model-I fracture energy release | | 50 | | | Model-I fracture energy release | | 250 | |
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