Liu, X.; Chen, X.; Liu, J.; Yu, T., and Sun, B., 2021. Scour effects on cyclic response of bucket foundations under waves and currents. Journal of Coastal Research, 37(3), 670–682. Coconut Creek (Florida), ISSN 0749-0208.

The scour around the bucket foundation has a significant impact on the response and stability of the bucket foundation. A series of tests have been carried out to estimate the effect of scour on the cyclic response of the bucket foundation under waves and currents. It is found that the scour depth Sd/d of the bucket increases with the increase in Fra. The top displacement of the bucket increases with the increase of wave height and scour depth. When the wave force accounts for more than 90% of the wave flow force (0.05 < Fra < 0.5), at the same wave height, the scour depth can increase more than 0.6 d, the rotation angle can increase by 120–200%. This article proposes an empirical relationship with an error of 10–20% for evaluating the bucket foundation rotation angle under scour, which can provide a relevant reference for the design of the bucket foundation.

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