大型支撑框筒结构参数分析

Parameter analysis of super trussed tube

以大型支撑钢框筒为例，运用有限元方法进行了大量的静力分析。采用结构侧移、结构内力、剪力滞后效应指标和结构效率指标为评价指标，研究了主构件刚度比、斜撑角度、结构高宽比、结构平面长宽比、结构高度和外框筒柱距等参数对大型支撑框筒结构性能的影响规律，并给出了大型支撑框筒结构的主要设计参数的合理范围和一些设计建议，供工程界参考。

 Presents the static elastic analyses of super trussed tube structures conducted by means of the finite element method in terms of structural drift internal force shear lag effect and structural efficiency and the invesitigation into the influence parameters such as stiffness ratio of main structural elements angle of diagonal braces height－width ratios of building and gives rational ranges of design parameters and some design proposals as information for the civic engineerig circle．