双层纵向柱列支撑的设计要求

Authors
Publication date
1 January 2007
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University

Abstract

支撑体系的作用是保证柱列的几何不变性和减少柱子计算长度。本文从柱列整体稳定性出发,对双层纵向支撑体系的强度和刚度设计要求进行了研究,分别得到了横系杆完全刚性、交叉支撑完全刚性以及支撑构件有限刚度情况下,对支撑的门槛刚度要求;考虑实际柱列的初始缺陷,确定最不利初始缺陷组合情况下,使柱列极限承载力达到计算长度减半的欧拉荷载所需要的支撑的强度设计要求

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