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复式钢管混凝土柱弹性轴压组合刚度研究 被引量:2

Study on the elastic composite stiffness of the axial compressive double steel tubular confined with high performance concrete column
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摘要 运用弹性力学半逆解法求得复式钢管混凝土轴压柱的弹性组合刚度解析解,揭示了复式钢管混凝土轴压柱组合刚度较叠加刚度有所提高的原因。通过对解析解的参数分析发现,增大外管厚径比是提高复式钢管混凝土轴压柱组合刚度的最有效方法,提高混凝土强度等级、内管厚径比和内外管直径比次之,而增大钢管强度对组合刚度无影响。 Semi-inverse method based on elastic mechanics was used to gain the analytical solution of the axial compression stiffness of the double steel tubular confined with high performance concrete column. The reason for the improvement of the composite stiffness compared with addition stiffness was revealed. Parameters of the analytical solution were analyed to find that raising the outer tube aspect ratio is more effective in improving the composite stiffness than raising concrete strength grade,inner tube aspect ratio,outer and inner diameter ratio,improving the steel strength has no effect on the composite stiffness.
出处 《建筑结构》 CSCD 北大核心 2015年第8期74-79,共6页 Building Structure
关键词 半逆解法 复式钢管混凝土柱 弹性组合刚度 参数分析 semi-inverse method double steel tubular-concrete filled column elastic composite stiffness parameter analysis
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参考文献2

  • 1林斯嘉.复式钢管高强混凝土短柱轴压试验研究[D].华南理工大学2013
  • 2徐芝纶[著].弹性力学简明教程[M]. 高等教育出版社, 2002

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