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钢框架－支撑结构体系是高层钢结构常用的结构体系。支撑的性能对高层钢框架－支撑体系的动力性能影响较大，其中支撑的长细比是关键的影响因素。文中通过大量的计算分析研究支撑长细比对高层钢框架－支撑体系弹塑性地震反应的影响，所得结论可供工程设计时参考。
Steel frame - support structure system is commonly used in high-rise steel structure system. The supporting performance has a great influence on the dynamic performance of the high-rise steel frame-support system, and the slenderness ratio of the support is the key influencing factor. In this paper, a large number of computational analyzes are conducted to study the effect of support slenderness ratio on the elasto-plastic seismic response of high-rise steel frame-support system. The conclusions can be used for reference in engineering design.