T形截面短肢剪力墙剪滞效应及其影响

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基金项目:

国家自然科学基金资助项目(10572107)

SHEAR LAG AND ITS EFFECTS OF T-SHAPED SHORT-LEG SHEAR WALL

摘要: 利用变分原理求解T形截面短肢剪力墙的剪力滞系数和构件变形,讨论不同几何参数和荷载形式对剪力滞效应及变形的影响。用有限元法对翼缘板的纵向应力分布情况进行分析,并与初等梁理论及变分原理的计算结果进行比较,揭示了剪力滞效应对构件侧移刚度的影响程度。
- 短肢剪力墙 /
- T形截面 /
- 剪力滞 /
- 影响分析
Abstract: The shear -lag coefficient and deformation of T -shaped short-leg shear wall are solved based on variationprinciple, various parameters and loading forms which may impact the shear -lag are discussed.The distribution oflongitudinal stress in the flange is analyzed using FEA method.The deformation and stress according to primary beamtheory, variation principle and FEA method are compared, and their impact on the stiffness of the short -leg shear wall isdiscussed
- short-leg shear wall /
- T-shaped sectionshear-lag /
- effect analysis /