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Open AccessArticle

Model Tests on the Penetration Resistance of Bucket Foundations for Offshore Wind Turbines in Sand

by Hongyan Ding 1,2,3, Yanjian Peng 3, Puyang Zhang 1,3,*, Hanbo Zhai 3 and Nan Jia 3,4
1
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
2
Key Laboratory of Coast Civil Structure Safety, Ministry of Education, Tianjin University, Tianjin 300072, China
3
School of Civil Engineering, Tianjin University, Tianjin 300072, China
4
Tianjin Research Institute for Water Transport Engineering, Tianjin 300456, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2020, 8(5), 368; https://doi.org/10.3390/jmse8050368
Received: 19 April 2020 / Revised: 10 May 2020 / Accepted: 20 May 2020 / Published: 22 May 2020
Driven by the rapid development of offshore wind farms, bucket foundations have come to constitute a very promising form of foundation for offshore wind turbines, mainly owing to their efficient construction. However, the penetration resistance of the suction penetration of a bucket foundation, when calculated inaccurately, may lead to installation failure of the foundation. In this study, model tests were performed on the suction penetration of a mono-bucket mono-compartment foundation and a mono-bucket multi-compartment foundation in saturated fine marine sand, aiming to compare their penetration resistances and critical suctions, and the development of a soil plug in the two models was analyzed. The results will provide a design reference for the penetration construction of bucket foundations for offshore wind turbines.
Keywords: composite bucket foundation; penetration resistance; critical suction; bulkhead composite bucket foundation; penetration resistance; critical suction; bulkhead
MDPI and ACS Style

Ding, H.; Peng, Y.; Zhang, P.; Zhai, H.; Jia, N. Model Tests on the Penetration Resistance of Bucket Foundations for Offshore Wind Turbines in Sand. J. Mar. Sci. Eng. 2020, 8, 368.

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