陆上风电装配式梁板基础结构疲劳性能分析

白久林; 肖宗翰; 王瑞毅; 王宇航; 杨庆山

doi:doi:10.19912/j.0254-0096.tynxb.2024-1629

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陆上风电装配式梁板基础结构疲劳性能分析

更新时间：2026-02-06

- 陆上风电装配式梁板基础结构疲劳性能分析
- Vol. 47, Issue 1, Pages: 634-644(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1629
  CLC： TU375
- Online First：05 February 2026，
  
  Published：05 February 2026
- 稿件说明：
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白久林, 肖宗翰, 王瑞毅, et al. 陆上风电装配式梁板基础结构疲劳性能分析[J]. 2026, 47(1): 634-644.
DOI：

白久林, 肖宗翰, 王瑞毅, et al. 陆上风电装配式梁板基础结构疲劳性能分析[J]. 2026, 47(1): 634-644. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1629.

摘要

为探究风致循环荷载作用下装配式梁板基础的疲劳性能

建立装配式基础-地基-机组-塔筒的一体化分析有限元模型。在此基础上

采用推力系数法对叶轮风荷载时程进行模拟并考虑塔筒风场的尾流效应

分析额定、停机工况下装配式基础的动力响应并确定基础疲劳热点。最后

建立基于S-N曲线法并考虑风速和风向共同影响的疲劳性能分析方法

根据各疲劳工况下的热点应力时程数据

评估装配式基础热点的疲劳寿命。结果表明：新型装配式梁板基础后浇拼缝的疲劳损伤主要由其垂直风向的额定工况风速段引起;拼缝在机组设计寿命内不会发生疲劳破坏

装配式基础疲劳性能良好。

Abstract

To investigate the fatigue performance of prefabricated beam-slab foundations under wind-induced cyclic loads

an integrated analytical finite element model of the prefabricated foundation-soil-turbine unit-tower was established. On this basis

the thrust coefficient method was adopted to simulate the wind load time history of the impeller

while considering the wake effect of the tower wind field. The dynamic response of the prefabricated foundation under rated and shutdown operating conditions was analyzed

and the fatigue hotspots of the foundation were identified. Finally

a fatigue performance analysis method based on the - curve and considering the combined effects of wind speed and direction was established. According to the hotspot stress time history data under various fatigue conditions

the fatigue life of the hotspots of the prefabricated foundation was evaluated. The results show that： the fatigue damage of the cast-in-place joint of the new prefabricated beam-slab foundation is mainly caused by the rated operating condition wind speed segment in the vertical wind direction; the joint will not suffer from fatigue failure within the design life of the turbine unit

and the prefabricated foundation exhibits excellent fatigue performance.

关键词

Keywords

references

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