光伏支架型钢桩承载特性研究  

RESEARCH ON LOAD-BEARING CHARACTERISTICS OF SECTION-STEEL PILE FOR PV BRACKET

作　　者：丁晓勇 徐开源 邢皓枫[2] Ding Xiaoyong;Xu Kaiyuan;Xing Haofeng(Shanghai Electric Engineering Consulting Co.,Ltd,Shanghai 201199,China;Tongji University,Shanghai 200092,China)

机构地区：[1]上海电气工程设计有限公司,上海201199 [2]同济大学,上海200092

出　　处：《太阳能》2024年第6期95-103,共9页Solar Energy

摘　　要：作为新能源利用方式的代表,光伏发电技术已成为新能源发展的首选。光伏支架型钢桩因其贯穿力强和便于运输施工等特点,被广泛应用于沙漠地区光伏电站中。通过3D有限元数值模拟分析,探讨了沙漠地区光伏支架型钢桩的承载特性及受力机理,并研究了参数变化对型钢桩承载特性的影响及其规律性。研究结果表明:型钢桩的截面形状是决定其承载性能的关键因素,其承载性能与截面面积和桩长呈正相关;沙漠地区的风荷载对型钢桩的承载特性具有显著影响,不仅会改变型钢桩的承载性能和变形量,而且随着荷载循环次数的增加,其承载性能逐渐降低,沉降变形量增大。As a representative of new energy utilization methods,PV power generation technology has become the top choice for the development of new energy.Section-steel piles for PV brackets,due to their strong penetration and ease of transportation and construction,are extensively used in desert PV power stations.Through 3D finite element numerical simulation analysis,this paper explored the bearing characteristics and force mechanism of section-steel piles for desert PV brackets,as well as the impact and regularity of parameter variations on the bearing performance of the section-steel piles.The research results show that the crosssectional shape of the section-steel pile is the key factor determining its bearing performance,and its bearing performance is positively correlated with the cross-sectional area and the length of the pile.The wind load in the desert area significantly affects the bearing characteristics of the section-steel piles,not only altering their bearing performance and deformation but also progressively reducing their bearing performance and increasing settlement deformation with the increase in load cycle counts.

关 键 词：光伏支架 型钢桩 承载特性 受力机理 3D有限元分析 风荷载 

分 类 号：TU473.11[建筑科学—结构工程]