Research Article

A Penetrating-Anchoring Mathematical Model for the Soft Asteroid Anchoring System

Table 1

Parameters of the clay and fine sand.

ParameterDensity (kg/m3)Internal frictional angle (°)Cohesion (kPa)Elasticity module (MPa)Poisson ratioWater contentVoid ratioLocked volumetric strain
Medium

Hard clay1416023.80.319.91%0.7090.15
Fine sand35.50.245.00.3500.5850.1
Soft clay145.0