Research Article
Study of the Indoor Model Test and CEL Simulation of Jacking Force in the Vertical Tunnelling Method
Table 3
Basic physical properties of sand.
| | Material | Density (kN/m3) | Cohesion (kPa) | Internal friction angle (°) | Void ratio | Compression modulus (MPa) |
| | Sea sand | 15 | 0 | 31.9 | 0.482 | 6.24 |
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