复杂体型高层建筑结构的空间分析

Spatial Analysis of Tall Building Structures with Irregular Structural Layout in Plan and Along the Building Height

本文提出了复杂体型高层建筑结构空间分析方法。将高层建筑结构离散为薄壁柱元、普通柱元和梁元。根据符拉索夫理论建立薄壁柱元的单元刚度矩阵和刚度转换矩阵。考虑了截面扭转翘曲的作用,薄壁柱截面可由多肢剪力墙构成,形状多种多样,因此这种方法可以分析平面和立面结构布置都很复杂的结构,适用性广。本方法的可靠性已经两个模型试验验证。所编制的程序SATS已在50多个重要工程中应用,包括深圳国际贸易中心和中央彩电中心大楼。

The paper presents a method for the spatial analysis of tall building structures with irregular structural layout in plan and along the building height. A structure can be divided into column elements, beam elements and thinwalled column elements. The stiffness matrix of the thin-walled column element and its transformation matrix are deduced from Vlasov's theory. The effects of cross-sectional warping are included. The cross section of the thin-walled column may be composed of several straight shear walls and even be of arbitrary shape. So, the method can be applied for the analysis of the structures with irregular structural layout in plan and along the building height. The reliability of the method has been proved by results of two model tests. A computer program named 'SATS' has been worked out by using this method and has been employed for analysis of over 50 important tall building structures.