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首页> 外文会议>International conference on sustainable development of critical infrastructure 2014 >Bearing Capacity of the High-Rise Pile Cap Foundation for Offshore Wind Turbines
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Bearing Capacity of the High-Rise Pile Cap Foundation for Offshore Wind Turbines

机译：海上风力发电机高层桩帽基础的承载力

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摘要

A proper foundation design is crucial for the structural stability of offshore wind turbines (OWT) in the severe ocean environments. As one of the typical foundation type for OWT, the high-rise pile cap foundation has been utilized in wind farm of China. In this study, a 3-dimensional finite element model for simulating the pile-soil interaction subjected to multi-axis complex loads is proposed and verified with existing experimental data. The bearing capacity of the high-rise pile cap foundation under various ultimate limit state (ULS) conditions is investigated. Local scour usually occurs around the pile and significantly reduces the bearing capacity of the foundation. Numerical simulation shows that scour could amplify the lateral displacement and tilt of the foundation.
机译：在恶劣的海洋环境中，正确的基础设计对于海上风力涡轮机（OWT）的结构稳定性至关重要。作为OWT的典型基础类型之一，高层桩帽基础已经在中国的风电场中得到了应用。在这项研究中，提出了一个用于模拟多轴复杂荷载下桩-土相互作用的三维有限元模型，并用现有的实验数据进行了验证。研究了各种极限极限状态（ULS）条件下高层桩帽基础的承载力。局部冲刷通常发生在桩周围，并显着降低了地基的承载能力。数值模拟表明，冲刷可以放大地基的侧向位移和倾斜度。

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