Research Article
Point Load Test of Half-Cylinder Core Using the Numerical Model and Laboratory Tests: Size Suggestion and Correlation with Cylinder Core
Table 2
Parameters applied to the numerical model.
| | | Description | p1 | p2 | p3 |
| | Particle-based properties | Particle radius (mm) | 2∼3 | 2∼3 | 2∼3 | | Particle density (g/cm3) | 2.70 | 2.70 | 2.70 |
| | FJM parameters | Effective modulus (GPa) | 15.00 | 15.00 | 15.00 | | Normal-to-shear stiffness ratio | 0.36 | 0.36 | 0.36 | | Friction angle (°) | 52.00 | 52.00 | 52.00 | | Friction coefficient | 0.50 | 0.50 | 0.50 | | Tensile strength (MPa) | 1.00 | 0.70 | 0.30 | | Cohesion (MPa) | 20.00 | 12.00 | 5.80 |
| | Properties | UCS (MPa) | 90.54 | 55.70 | 28.31 | | Young’s elastic modulus (GPa) | 43.87 | 43.28 | 44.30 | | Poisson’s ratio | 0.21 | 0.21 | 0.20 | | Failure load of PLT (kN) | 10.40 | 6.59 | 3.14 | | (MPa) | 4.16 | 2.64 | 1.26 |
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