山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (3): 113-120.doi: 10.6040/j.issn.1672-3961.0.2021.405
刘正伟1,底尚尚1,张丽娟1,刘凯悦2,田利2*,李萌菲3
LIU Zhengwei1, DI Shangshang1, ZHANG Lijuan1, LIU Kaiyue2, TIAN Li2*, LI Mengfei3
摘要: 运用有限元分析软件,建立桩-土-输电塔有限元耦合模型,基于输电塔杆件破坏失效准则,考虑不同基础组合工况,研究基础水平位移变化对输电塔受力影响规律,提出基础桩顶位移限值。研究结果表明,基础水平位移对输电塔塔腿杆件内力影响较大,线弹性阶段,杆件内力与基础水平位移呈线性关系;考虑杆件应力和破坏准则,得到两个典型基础桩顶水平位移限值为42 mm和69 mm。本研究可为输电塔基础设计提供指导。
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