Table 3 Macro-mechanical parameters of sandstone and concrete C30.
From: Anchoring effect of NPR cables under dynamic conditions and its engineering applications
|  | Young’s modulus (GPa) | Poisson’s ratio | Compression strength (MPa) | Cohesion (MPa) | Frictional angle (°) |
|---|---|---|---|---|---|
Sandstone | 29.4 | 0.25 | 147.0 | 20 | 40 |
Concrete | 7.5 | 0.17 | 30.0 | 10 | 30 |
