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高层建筑结构基于整体稳定的周期上限研究
张小勇,周立浪,扶长生
摘 要
(上海长福工程结构设计事务所, 上海 200031)

[摘要]随着高层建筑结构高度的增加,结构的整体稳定逐步成为其设计的主导因素之一。在论述了P-Δ效应与屈曲因子、屈曲因子与刚重比和屈曲因子与周期之间的关系,及国内22栋超高层建筑结构统计数据的基础上,提出了高层建筑结构基于整体稳定的周期上限公式,为结构在方案或初步设计阶段,控制和验算其整体稳定提供了更为便捷可靠的方法。
[关键词]高层建筑结构; 整体稳定; P-Δ效应; 屈曲因子; 周期上限
中图分类号:TU318.2      文献标识码:A      文章编号:1002848X(2015)14-0030-05

Period upper limit study of high-rise building structures based on the overall stability
Zhang Xiaoyong, Zhou Lilang, Fu Changsheng
(Shanghai ChinaFu Structural Design Inc., Shanghai 200031, China)
 
Abstract:With the increase of the height of the high-rise building structures, the overall stability of structure has gradually become one of the dominant factors in its design. The relationship between the P-Δ effect and the buckling factor, the buckling factor and the ratio of stiffness to weight, and the buckling factor and the period were discussed. Based on the statistical data of 22 high-rise building structures in domestic, the period upper limit of high-rise building structures was proposed. It provide a more reliable and convenient method for controlling and checking the overall stability of structure in the scheme or preliminary design phase.
Keywords: high-rise building structure; overall stability; P-Δ effect; buckling factor; period upper limit

作者简介:张小勇,硕士,一级注册结构工程师,Email:zxyjlx1983@126.com。
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