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文章简述了剪力滞后现象,总结了剪力滞后的影响因素,并通过有限元软件计算算例,分析了多种水平加强层的布置方案对筒体结构剪力滞后的影响,揭示了水平加强层对筒中筒结构剪力滞后的影响。结果表明,设置水平加强层可以有效减小剪力滞后效应,使中下层各柱轴力分布更加均匀。
The paper briefly describes the phenomenon of shear lag and summarizes the influencing factors of shear lag. By means of the finite element software calculation example, the influence of the arrangement of various horizontal reinforcement layers on the shear lag of the cylinder structure is analyzed, Influence of Reinforcement on Shear Lag in Cylinder Structure. The results show that setting horizontal reinforcement layer can effectively reduce the effect of shear lag and make the distribution of axial force of each column in the middle and lower layers more uniform.