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首页> 外文期刊>Ocean Engineering >Performance and bearing behavior of monopile-friction wheel foundations under lateral-moment loading for offshore wind turbines
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Performance and bearing behavior of monopile-friction wheel foundations under lateral-moment loading for offshore wind turbines

机译：近时刻载荷型摩托车基础的性能和轴承行为陆上风力涡轮机

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摘要

The hybrid foundation of combining a friction wheel with a monopile is an innovative solution for offshore structures subjected to large lateral-moment loading. In this paper, the lateral-moment response of the monopilefriction wheel foundation in saturated sand are investigated via centrifuge tests and three-dimensional finite element method (FEM). A series of tests on the monopile, hybrid foundations with wheels of different diameters and thicknesses, and single wheel foundation were conducted. The results show that the lateral bearing capacity and stiffness improve significantly by adding a wheel to monopile, and the improvement follows the diameter or thickness of the wheel. An extensive experimental research regarding to the influential factors such as the embedment of the wheel and the vertical load is also presented. By means of FEM, the load transfer mechanism, interaction between the foundation and soil, and the bending moment in the pile are illustrated to study how the wheel contributes to the performance of the foundation system. Moreover, the effects of load eccentricity and vertical load are investigated by FE analyses.
机译：将摩擦轮与单潜水线组合的混合基础是对横向时刻载荷进行大海结构的创新解决方案。在本文中，通过离心机试验和三维有限元法（FEM）研究了饱和砂中的单倍式框架基础的横向矩阵。进行了一系列关于单披露的混合基础，具有不同直径和厚度的轮子和单轮基础。结果表明，通过向单升力添加轮，横向承载能力和刚度显着提高，并且改善遵循车轮的直径或厚度。还介绍了关于车轮嵌入等影响因素的广泛实验研究和垂直载荷。通过FEM，载荷传递机构，基础和土壤之间的相互作用以及桩中的弯矩，以研究车轮如何有助于基础系统的性能。此外，通过Fe分析研究了负载偏心和垂直载荷的影响。

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