|Table of Contents|

Citation:
　Hongyan Ding,Renhao Wang,Puyang Zhang,et al.Horizontal Bearing Capacity of Monocolumn Composite Bucket Foundations for Offshore Wind Turbines[J].Journal of Marine Science and Application,2026,(1):162-174.[doi:10.1007/s11804-025-00701-9]
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Horizontal Bearing Capacity of Monocolumn Composite Bucket Foundations for Offshore Wind Turbines

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Title:
Horizontal Bearing Capacity of Monocolumn Composite Bucket Foundations for Offshore Wind Turbines
Author(s):
Hongyan Ding;  Renhao Wang;  Puyang Zhang;  Conghuan Le
Affilations:
Author(s):
Hongyan Ding;  Renhao Wang;  Puyang Zhang;  Conghuan Le
State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300350, China
Keywords:
Monocolumn composite bucket foundations; Shallow bedrock; Bearing characteristics; Offshore wind power; Silty soil; Chalky soil
分类号:
-
DOI:
10.1007/s11804-025-00701-9
Abstract:
Monocolumn composite bucket foundation is a new type of offshore wind energy foundation. Its bearing characteristics under shallow bedrock conditions and complex geological conditions have not been extensively studied. Therefore, to analyze its bearing characteristics under complex conditions—such as silty soil, chalky soil, and shallow bedrock—this paper employs finite element software to establish various soil combination scenarios. The load - displacement curves of the foundations under these scenarios are calculated to subsequently evaluate the horizontal ultimate bearing capacity. This study investigates the effects of shallow bedrock depth, the type of soil above the bedrock, the thickness of layered soil, and the quality of layered soil on the bearing characteristics of the monocolumn composite bucket foundation. Based on the principle of single-variable control, the ultimate bearing capacity characteristics of the foundation under different conditions are compared. The distribution of soil pressure inside and outside the bucket wall on the compressed side of the foundation, along with the plastic strain of the soil at the base of the foundation, is also analyzed. In conclusion, shallow bedrock somewhat reduces foundation bearing capacity. Under shallow bedrock conditions, the degree of influence on foundation bearing capacity characteristics can considerably vary on different upper soils. The thickness of each soil layer and the depth to bedrock in stratified soils also affect the bearing capacity of the foundation. The findings of this paper provide a theoretical reference for related foundation design and construction. In practice, the bearing performance of the foundation can be enhanced by improvingthe soil quality in the bucket, adjusting the penetration depth, adjusting the percentage of different types of soil layers in the bucket, and applying other technical construction methods.

References:

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Memo

Memo:
Received date:2024-9-29;Accepted date:2025-2-26。<br>Corresponding author:Puyang Zhang,Email:E-mail:zpy@tju.edu.cn
Last Update: 2026-03-10