某风电场桩承台基础有限元分析及设计优化
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摘要
由于风力发电风机高耸结构对建筑设计要求的特殊性,风力电机塔架高,基础面积小,加之受风力影响,风电工程荷载的特殊性。当天然地基不能提供相应的竖向抗压、抗拔和抗倾覆等力,风机基础受力状态远比其他高耸结构基础的复杂,需采用桩基础进行深入地层处理以保证整体风机的稳定可靠,在满足上部结构荷载要求的前提下,采用适宜地基建设条件的型式简单、施工难度不大、造价较低的风机基础的设计尤为重要。
Due to the particularity of the high-rise structure of wind turbine to the architectural design requirements, the wind turbine tower is high, the base area is small, and the wind turbine engineering load is special. When the natural foundation can not provide the corresponding vertical pressure, pull and overturning forces, the force state of the fan foundation is far more complex than that of other high-rise structural foundations, and it is necessary to use the pile foundation for in-depth stratigraphic treatment to ensure the stability and reliability of the overall fan. Under the premise of satisfying the superstructure load, it is very important to design the fan foundation with simple type, little difficulty and low cost.
Due to the particularity of the high-rise structure of wind turbine to the architectural design requirements, the wind turbine tower is high, the base area is small, and the wind turbine engineering load is special. When the natural foundation can not provide the corresponding vertical pressure, pull and overturning forces, the force state of the fan foundation is far more complex than that of other high-rise structural foundations, and it is necessary to use the pile foundation for in-depth stratigraphic treatment to ensure the stability and reliability of the overall fan. Under the premise of satisfying the superstructure load, it is very important to design the fan foundation with simple type, little difficulty and low cost.
引文
[1]李大钧.风机基础选型与桩基础设计优化[J].施工技术,2016,45(S1):115-118.Li Dazhao. Selection of fan foundation and optimization of pile foundation design[J].Construction technology,2016,45(S1):115-118.
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[9]迟俊德,刘殿忠,赵凤瑞.风机基础结构有限元分析[J].吉林地质,2011,30(01):151-155.
[10]荣冰,张嘎,王富强.响水海上风机群桩基础变形特性的有限元分析[J].岩土力学,2010,31(S2):470-474.
[2]朱杰清,李亚杰.探讨GRF桩基础在陆上风电场基础中应用的可行性[J].山西建筑,2017,43(36):55-56.
[3]李吉林,张旭虎.大唐国际东营一期49.5MW风电场工程桩基施工及其原体试验[J].探矿工程(岩土钻掘工程),2010,37(09):40-45.
[4]陈康东.大庆新立风电场圆形承台桩基础基桩水平承载力计算[J].太阳能,2011(19):28-33.
[5]高明堂.珠日河风电一场四期工程风机桩基础设计[J].内蒙古水利,2012(02):16-17.
[6]梁瑞庆,王浩,王炽欣.风电机组塔架桩基础的基桩竖向力计算方法[J].电力建设,2010,31(06):80-83.
[7]任宇,朱斌,陈仁朋,王振宇,陈云敏.大型风电机组群桩基础受荷特性及长期累积沉降控制[J].土木工程学报,2010,43(03):75-80.
[8]汪宏伟.采用环梁加固风机基础的有限元分析[J].可再生能源,2016,34(04):558-562.
[9]迟俊德,刘殿忠,赵凤瑞.风机基础结构有限元分析[J].吉林地质,2011,30(01):151-155.
[10]荣冰,张嘎,王富强.响水海上风机群桩基础变形特性的有限元分析[J].岩土力学,2010,31(S2):470-474.