Experimental investigation and finite element analysis on mechanical behavior of column-bracing system under vertical loading

被引：0

作者：

Zhang, Yaochun ^{[1
]}

Zhao, Jinyou ^{[1
,2
]}

Zhang, Wenyuan ^{[1
]}

机构：

[1] School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China

[2] School of Civil Engineering, Northeast Forestry University, Harbin 150040, China

来源：

Jianzhu Jiegou Xuebao/Journal of Building Structures | 2009年 / 30卷 / 06期

关键词：

Buckling - Random processes - Reliability analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In order to investigate the mechanical behavior of column-bracing system and verify the reliability of finite element analysis, the static experimental studies were conducted on one-story and two-story column-bracing systems with different distributions of the initial imperfections. It is found that the horizontal inter-column brace forces in compression or in tension have also randomness because of the randomness of the initial imperfections of both the columns and braces. The ultimate load-carrying capacity of two-story column-bracing systems is higher than that of one-story column-bracing systems because the mid-height horizontal braces of two-story column-bracing systems can reduce the effective column length more than half of column length. Buckling failure of column-bracing systems is caused by buckling failure of a column. Moreover, a finite element model is developed and verified against tests, and the results from the finite element analysis agree well with the experimental data.

引用

页码：113 / 121

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