Quasi-static axial compression of triangular steel tubes

被引：43
|
作者：
Hong, Wu [2 ,3 ]
Jin, Fengnian [2 ]
Zhou, Jiannan [2 ]
Xia, Zhicheng [2 ]
Xu, Ying [2 ]
Yang, Lin [1 ,3 ]
Zheng, Qing [2 ]
Fan, Hualin [1 ,4 ]
机构：
[1] Hohai Univ, Coll Mech & Mat, Lab Struct Anal Def Engn & Equipment, Nanjing 210098, Peoples R China
[2] PLA Univ Sci & Technol, State Key Lab Disaster Prevent & Mitigat Explos &, Nanjing 210007, Peoples R China
[3] Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China
[4] Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2013年 / 62卷
基金：
中国国家自然科学基金;
关键词：
Triangular tube; Plastic deformation mode; Mean crushing force; Axial compression; CROSS-SECTION; COLLAPSE; COLUMNS;
D O I：
10.1016/j.tws.2012.08.004
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To study the collapse mode and energy absorption of triangular tubes, quasi-static axial compression experiments were carried out. Deformation curves and collapse modes were revealed by the experiments. Based on various combinations of the two basic folding elements, four potential collapse modes were proposed and compared to predict the mean crushing force of the tube theoretically. Numerical simulations were applied to suggest a fitted formula of the mean crushing force. Both the analytical and numerical predictions were compared with the experiments to build an effective method to predict the mean crushing force of the triangular tube. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：10 / 17
页数：8
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