(湖南大学土木工程学院 长沙 410082)
【提要】 考虑剪力滞后的影响，将高层框筒结构先离散成正交各向同性板，根据最小势能原理得到各板的应力和应变表达式，再根据角柱处的位移与内力相等效的原则，将空间框筒结构等效成平面框架结构。对一个高层算例进行了计算，并与按空间框架分析的结果进行了对比。结果表明，这种简化方法具有足够的精度。
【关键词】 高层框筒 剪力滞后 等代角柱
Simplified Method for Calculating Frametube Structure/Gong Huguang,Fang Hui,Shen Pusheng(College of Civil Engineering,Hunan University,Changsha 410082,China)
Abstract:A simple method of analysis for calculating frame tube structures is proposed.With the shear lag effects taken into account,equivalent columns are used to simplify the frametube to plane frame.This method is suitable for quick evaluation during the preliminary design stage.Numerical example is given to demonstrate the application and accuracy of the method.
Keywords:frametube structure;shear lag;equivalent column analogy