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With the rapid increase of the wind power capacity of installation in China, gravity-based foundation (GBF) of offshore wind become an important form of offshore wind turbine foundation in Chinese southeastern sea area especially. The GBF relies on its own and internal ballast weight to resist wind turbine loads and marine environmental loads. The GBF is suitable for shallow overburden and rock geological conditions. Fujian sea area is one of the main construction areas of offshore wind industry in China as well as one of the areas with the most abundant wind resources. However, there are large areas of shallow overburden and seabed with rock foundation in Fujian sea area. The gravity foundation have superior advantages than monopile or jecket type of foundations due to that the GBF can avoid offshore piling resulting in shorter construction time and lower cost. In this paper, the GBF designed on the basis of the environmental conditions in Fujian sea area is taken as the study case. Based on the numerical simulation method, the overall performance of GBF installation process under various combinations of wind and wave is simulated. Meanwhile, the operation window for the installation are studied which can provide reference for the offshore wind GBF application.

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An Analytical Study of the Multi-body Motion of the Installation Operation between A Crane Ship and Gravity-based Wind Turbine Foundation in Waves

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Pengfei Chen,
  • Yu Lin,
  • Bibo Li,
  • Xiao Zhang,
  • Jun Huang,
  • Yan Nie

摘要

With the rapid increase of the wind power capacity of installation in China, gravity-based foundation (GBF) of offshore wind become an important form of offshore wind turbine foundation in Chinese southeastern sea area especially. The GBF relies on its own and internal ballast weight to resist wind turbine loads and marine environmental loads. The GBF is suitable for shallow overburden and rock geological conditions. Fujian sea area is one of the main construction areas of offshore wind industry in China as well as one of the areas with the most abundant wind resources. However, there are large areas of shallow overburden and seabed with rock foundation in Fujian sea area. The gravity foundation have superior advantages than monopile or jecket type of foundations due to that the GBF can avoid offshore piling resulting in shorter construction time and lower cost. In this paper, the GBF designed on the basis of the environmental conditions in Fujian sea area is taken as the study case. Based on the numerical simulation method, the overall performance of GBF installation process under various combinations of wind and wave is simulated. Meanwhile, the operation window for the installation are studied which can provide reference for the offshore wind GBF application.