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传统风格建筑钢-混凝土节点抗剪承载力分析

Shear Capacity Analysis of the Chinese Traditional Style Structure with Lintel-Column Joint

  • 摘要: 为研究传统风格建筑梁-柱节点的力学特性,共设计3个采用钢-混凝土组合结构的梁-柱节点,对试件施加快速反复荷载,获得其加载全过程破坏特征及恢复力特征曲线,并对其受力机理及其抗剪承载力的关键影响因素进行分析.结果表明:对于在节点处设置钢-混凝土组合结构形式的传统风格建筑梁-柱节点具有较高的承载能力,且滞回曲线较为饱满,位移延性系数增大;基于相关分析验证了现有节点抗剪承载力计算公式仍可适用于传统风格建筑节点的计算;根据试验结果得出了型钢抗剪承载力折减系数.

     

    Abstract: In the report, in order to study the mechanical properties of lintel-column joint of traditional style architecture, the three lintel-column nodes with the steel and concrete composite were designed, and the quick dynamic loading test was performed, the failure characteristics and restoring force characteristic curve, and the key influencing factors of stress mechanism and the shear bearing capacity were analyzed. The results indicated that the lintel-column joints of traditional style buildings with steel-concrete composite structure have high bearing capacity, the hysteretic curve is pretty full, and the displacement ductility factors are increased. Based on the correlation analysis, it is verified that the existing calculation formula of shear capacity of joints can be used for the calculation of traditional style building joints, and based on the results, the reduction coefficient of shear capacity of section steel was obtained.

     

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