An Experimental Study on Wave Force and Run-Up of Wind Turbine Foundation on Breakwater Under Wave Action

Jiangnan Chen, Longzai Ge (), Yanan Xu () and Songgui Chen
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Jiangnan Chen: The College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing 210024, China
Longzai Ge: National Engineering Research Center of Port Hydraulic Construction Technology, Tianjin Research Institute for Water Transport Engineering, M.O.T., Tianjin 300456, China
Yanan Xu: National Engineering Research Center of Port Hydraulic Construction Technology, Tianjin Research Institute for Water Transport Engineering, M.O.T., Tianjin 300456, China
Songgui Chen: National Engineering Research Center of Port Hydraulic Construction Technology, Tianjin Research Institute for Water Transport Engineering, M.O.T., Tianjin 300456, China

Energies, 2025, vol. 18, issue 7, 1-16

Abstract: With the development and utilization of offshore wind turbines in the field of existing breakwaters, its foundation is affected by the dual effects of waves and different structures. In order to ensure structural safety and evaluate the impact on breakwaters, A6 and A7 wind turbine foundations in the breakwater head area were selected, and a 1:40 scale model test was conducted. The results showed the following: (1) After the implementation of the wind turbine project, the wave height of the breakwater only increased by 10%, and its stability was basically not affected; (2) The basic design elevation does not meet the requirements for run-up, and it is feasible to raise it by 1.0~1.5 m; (3) The wave force on A7 foundation is 2~4 times that of A6, and after the elevation is raised, the wave force decreases by 50%. Therefore, the structural design can be considered to adopt differentiated design according to different positions and types; (4) The experimental results are 1.2~1.5 times the standard formula calculation results, and the research results can enrich the current standard calculation basis. This study can not only solve practical problems in engineering but also provide basic data for similar projects in the future.

Keywords: wind turbine foundation; breakwater; wave force; wave run-up; model test (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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