Effect of Reinforced Bucket on Bearing Capacity and Natural Frequency of Offshore Wind Turbines Using Pile–Bucket Foundation

Table 4

Parameters of soil.

Cohesion (kPa)	Peak friction angle (°)	Residual friction angle (°)	Dilatancy angle (°)	Effective gravity (kg/m^3)	Poisson’s ratio
0.5	37.7	34.8	2.9	9.45	0.21