Model Test Research on Bearing Mechanism of Underreamed Ground Anchor in Sand

Table 1

Physical and mechanical parameters of the model foundations.

Density; /g·cm^−3	Coefficient of uniformity	Friction angle; / °	Cohesion; /kN·m^−2	Poisson’s ratio/υ	Uniformity coefficient
1.49	1.9	40.0	0.0	0.26	1.9
Relative density	Void ratio	D50/mm	Specific gravity	Water content/%	Curvature coefficient
0.673	0.79	0.35	2.67	0.0	1.18