Failure Envelopes of Composite Bucket Foundation for Offshore Wind Turbines under Combined Loading with considering Different Scour Depths

Table 2

Values of parameters a and b.

Sd	= 0.25		= 0.50		= 0.75
	a	b	a	b	a	b
No scouring	1.20	0.22	1.51	0.28	1.80	0.34
d/12	1.69	0.32	1.62	0.31	1.76	0.35
d/6	1.40	0.29	1.56	0.33	1.80	0.36
d/4	1.44	0.34	1.60	0.37	1.65	0.38