Table 3 Parameters of 60° slate HJC constitutive model.
Basic mechanical parameters | Strength parameters | Damage parameters | Pressure parameters | ||||
|---|---|---|---|---|---|---|---|
ρ | 2752 kg/m3 | A | 0.33 | D1 | 0.026 | Pc | 18.47 MPa |
fc | 55.4 MPa | B | 0.5765 | D2 | 1.0 | μc | 7.3 × 10–4 |
G | 15.212 GPa | C | 0.000624 | EFMIN | 0.01 | Pl | 2.0 GPa |
T | 12.03 MPa | N | 0.413 | FS | 0.004 | μl | 0.054 |
SFMAX | 20.0 | K1 | 39 GPa | ||||
EPSO | 1.0 | K2 | -223 GPa | ||||
K3 | 550 GPa | ||||||
