Analytical behavior of circular concrete-filled thin-walled steel tubes subjected to bending

被引：104
|
作者：
Lu, Hui [2 ]
Han, Lin-Hai [1 ]
Zhao, Xiao-Ling [2 ]
机构：
[1] Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
[2] Monash Univ, Dept Civil Engn, Melbourne, Vic 3800, Australia
来源：
THIN-WALLED STRUCTURES | 2009年 / 47卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Concrete-filled steel tubes (CFST); Beam; Bending; Composite action; Finite element analysis (FEA); FLEXURAL BEHAVIOR; COLUMNS; STRENGTH;
D O I：
10.1016/j.tws.2008.07.004
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents a finite element analysis (FEA) modeling to study the flexural performance of circular concrete-filled thin-walled steel tubular (CFST) beam. A set of test data was used to verify the FEA modeling; generally, good agreement was achieved. The FEA modeling was then used to investigate the stress and strain distributions across the composite section in the whole loading procedure. The composite action between the steel tube and its concrete core was analyzed. A strut-tie model was proposed for the load transfer mechanism of the circular composite member subjected to pure bending. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：346 / 358
页数：13
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