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

Figure 9

Bending moment curves of the monopile foundation and the pile-bucket foundation: (a) the monopile foundation (d = 6 m), (b) the pile-bucket foundation (D = 18 m and H = 12 m), (c) the pile-bucket foundation (D = 24 m and H = 6 m), (d) the pile-bucket foundation (D = 24 m and H = 12 m), (e) the pile-bucket foundation (D = 24 m and H = 18 m), and (f) the pile-bucket foundation (D = 30 m and H = 12 m).

(a)

(b)

(c)

(d)

(e)

(f)