Research Article
Stress Uniformity Analyses on Nonparallel End-Surface Rock Specimen during Loading Process in SHPB Tests
Table 1
Material parameters for HJC model of rock material with Young’s modulus of 14 GPa.
| | ρ (g/cm3) | G (GPa) | fc (MPa) | T (MPa) | A | B | C |
| | 2.47 | 5.83 | 130.00 | 7.07 | 0.79 | 1.60 | 0.007 |
| | N | Smax | D1 | D2 | εfmin | έ0 (s−1) | pc (MPa) |
| | 0.61 | 4.0 | 0.045 | 1.0 | 0.005 | 1.0 × 10−6 | 43.33 |
| | μc | plock (GPa) | μlock | K1 (GPa) | K2 (GPa) | K3 (GPa) | fs |
| | 0.00557 | 1 | 0.1 | 85 | −171 | 208 | 0.004 |
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