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SHEAR LAG AND ITS EFFECTS OF T-SHAPED SHORT-LEG SHEAR WALL
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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。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
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Key words:
- short-leg shear wall /
- T-shaped sectionshear-lag /
- effect analysis /
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.容柏生.高层住宅建筑中的短肢剪力墙体系. 建筑结构学报,1997, 18(6): 14-19 .张 晋, 吕志涛. 短肢剪力墙-筒体结构模型振动台试验. 东南大学学报, 2001,31(6): 4-8 .项海帆. 高等桥梁结构理论. 北京: 人民交通出版社, 2001 .程翔云, 罗旗帜. 箱梁在压弯荷载共同作用下的剪力滞. 土木工程学报, 1991,24(1 ): 52-64 .Paulay T. Coupling Beams of Reinforced Concrete Shear Walls. Journalof Structural Division, 1971, 97 (3): 843-862 -
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