海上风电单桩基础累积变形简化计算方法
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Simplified Calculating Method for Estimating Accumulated Deformation of Monopile Foundations for Offshore Wind Turbines
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    摘要:

    在海上风电单桩基础设计中,为获得可用于工程实践的单桩累积转角简化计算方法,开展室内模型试验,分别获得台风循环载荷和长期小幅值循环载荷情形下计算单桩累积转角的经验公式。在此基础上进一步建立单桩累积转角简化计算方法,并以南海北部近海海域的工程实例为例,详细说明海上风机单桩基础累积转角的计算流程,根据该海域的风浪特征确定计算公式中与场地相关的参数取值,得到适用于该地区的单桩累积转角计算公式。

    Abstract:

    In the design of monopile foundations for offshore wind turbines, in order to obtain a simplified calculation method for prediction of the accumulated rotation that can be used in engineering practice, the empirical formulae for calculating the accumulated rotation of monopile foundations under typhoon loading and long-term cyclic loading are obtained respectively by conducting laboratory model tests. On this basis, a simplified calculation method is further established. Taken an engineering case in the northern offshore area of the South China Sea as an example, the calculation process of the accumulated rotation of monopile foundations is described in detail. According to the characteristics of wind and waves in the sea area, the site-related parameters in the calculation formula are determined, and the formula for estimating the accumulated rotation of monopile foundations applied to the area is obtained.

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常雪凝,马宏旺,邓雅文.海上风电单桩基础累积变形简化计算方法[J].中国海洋平台,2023,(01):90-97

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  • 在线发布日期: 2023-02-20
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