Research Article
Dynamic Fracturing Behavior of Layered Rock with Different Inclination Angles in SHPB Tests
Table 1
Micro parameters of SHPB system and layer rock model.
| | Analogue object | Density (kg/m3) | Friction coefficient | Damping | Particle | Bonded model (or SJ model) | | Normal stiffness | Stiffness ratio () | Normal strength/MPa | Shear strength/MPa | Normal stiffness (N/m) | Stiffness ratio () |
| | Elastic bars | 7810 | 0 | 0 | | 2.8 | | | — | — | | Striker | 7810 | 0 | 0 | | 2.8 | | | — | — | | Layer 1 | 2290 | 0.58 | 0.15 | | 2 | | | | 2 | | Layer 2 | 2290 | 0.58 | 0.15 | | 2 | | | | 2 | | Bedded plane | — | 0.58 | — | — | — | 15 | 15 | | 2 |
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