Table 1 Macroscopic mechanical parameters of sandstone.
From: The mechanism and performance of rock breakage by undercutting disc cutter with advanced slotting
Parameters | Easticity modulus \({\text{E}}_{\text{r}}\)/GPa | Poisson's ratio \({\text{v}}_{\text{r}}\) | Compressive strength \(\overline{\sigma }_{r}\)/MPa |
|---|---|---|---|
Test | 22.97 | 0.22 | 52.52 |
Simulation | 22.57 | 0.21 | 51.35 |
Error | 1.74% | 3.18% | 2.23% |
