Research Article
A Penetrating-Anchoring Mathematical Model for the Soft Asteroid Anchoring System
Table 1
Parameters of the clay and fine sand.
| Parameter | Density (kg/m3) | Internal frictional angle (°) | Cohesion (kPa) | Elasticity module (MPa) | Poisson ratio | Water content | Void ratio | Locked volumetric strain | Medium |
| Hard clay | | 14 | 160 | 23.8 | 0.3 | 19.91% | 0.709 | 0.15 | Fine sand | | 35.5 | 0.2 | 45.0 | 0.35 | 0 | 0.585 | 0.1 | Soft clay | | 14 | 5.0 | — | — | — | — | — |
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