【摘要】 结合国家自然科学基金项目 ,着重阐述了国内外学者对于钢支撑的研究方法和研究现状 ,首次提出一种集几何非线性、物理非线性的大变形板壳有限元分析高层建筑中钢支撑循环非线性性能的精确数值方法 ,并在分析中考虑了累积损伤的影响 ,取得了满意的结果更多还原

【Abstract】 Research methods and present situation for hysteretic analysis of braces are reviewed in the paper. An accurate method which adopts the nonlinear large deformation degenerate shell element, together with damage cumulating effects, to calculate the hysteretic behavior of steel braces in high rise structures is preposed.更多还原