Table 1 CZM model parameter.
From: Distribution of cracks in an anchored cavern under blast load based on cohesive elements
Material | Density/kg·m-3 | Young’s modulus/GPa | Poisson’s ratio | Internal friction angle | Tensile strength/MPa | Shear strength/MPa | Fracture energy |
|---|---|---|---|---|---|---|---|
Experimental material | 1800 | 2.03 | 0.16 | 35* | / | / | / |
Cohesive | / | / | / | / | 0.16 | 0.64 | 2* |
Anchor bolt | 3000 | 76 | 0.34 | / | / | / | / |