Research Article
Discrete Element Modeling of Crack Initiation Stress of Marble Based on Griffith’s Strength Theory
Table 1
Mechanical parameters of Jinping marble.
| | 
 |  | Mechanical parameters | Indoor test | PFC model |  | 
 |  | UCS (MPa) | 79.86 | 78.41 |  | Poisson’s ratio | 0.17 | 0.15 |  | Tensile strength (MPa) | 5.87 | 5.59 |  | Elastic modulus (GPa) | 84.2 | 83.3 |  | 
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