陆上风电装配式基础结构研究综述

A review of onshore wind turbine prefabricated foundation structures

陆上风电结构的基础通常采用现场浇筑混凝土的施工方式,效率低,污染大,质量难以保障,不利于风电产业的高质量发展。装配式风电基础结构采用了标准化设计、工厂化生产的建造方式,能大幅缩短风电场建设周期,有效保障基础质量,并减少对环境的污染,是风电转型升级和降本增效的重要举措之一。搜集、整理和归纳陆上风电装配式基础结构及研究现状,针对风电装配式基础结构的特点,总结了梁板基础、多足基础等6类主要的风电装配式基础结构形式,并对每种形式的特点、研究现状做了详细的分析,列举了部分国内外应用装配式基础的陆上风电场项目。结果表明:陆上风电装配式基础结构需要进一步完善设计依据,优化结构形式,形成全寿命设计理论与性能控制方法,以支撑风电结构高质量发展。

The foundation of onshore wind turbine(OWT)structure is usually constructed by cast-in-situ concrete,which is inefficient,polluting,and difficult to guarantee quality,either not conducive to the highquality development of the wind power industry.The prefabricated wind turbine foundation adopts the construction method of standardized design and factory production,which can significantly shorten the construction period of wind farms,effectively guarantee the quality of the foundation,and reduce the pollution to the environment.It is one of the important measures for the transformation and upgrading of wind power and reducing costs and increasing efficiency.This paper collects,sorts out and summarizes the research of prefabricated OWT foundation and its state-of-the-art research.According to the characteristics of the wind power prefabricated infrastructure,it lists six main types of wind power prefabricated infrastructure,such as raft foundation and multi-footing foundation,and makes a detailed analysis of the characteristics and research status of each type,and lists some onshore wind farm projects that apply prefabricated wind turbine foundation worldwide.The results show that the design basis of OWT prefabricated foundation structures needs to be further improved,the existing structure forms should be optimized,and further research on design methods and performance control should be promoted.