Flexural buckling behavior of welded stainless steel box-section columns

被引：20

作者：

Yang, Lu ^{[1
]}

Zhao, Menghan ^{[1
]}

Xu, Dongchen ^{[2
]}

Shang, Fan ^{[1
]}

Yuan, Huanxin ^{[3
]}

Wang, Yuanqing ^{[4
]}

Zhang, Yong ^{[2
]}

机构：

[1] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China

[2] Beijing Jiaotong Univ, Beijing 100044, Peoples R China

[3] Wuhan Univ, Sch Civil Engn, Wuhan 430072, Peoples R China

[4] Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China

来源：

THIN-WALLED STRUCTURES | 2016年 / 104卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Austenitic; Duplex; Experiments; Flexural buckling; Numerical analysis; Welded stainless steel box-section columns;

D O I：

10.1016/j.tws.2016.03.014

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Flexural buckling behavior of stainless steel columns has been widely investigated and discussed. However, a barely explored area is that of welded-section members. In this paper, twelve full-scale columns buckling tests have been conducted for both austenitic and duplex welded stainless steel box section members. Specimen cross-sections and lengths have been selected to cover a wide range of geometries, varying between non-dimensional slenderness of 0.5 and 2.0. Measurements of material properties, residual stress and initial geometric imperfection have been also conducted. Relevant numerical simulation has been performed, accuracy of which is verified by comparing with the test results. The test results have been used to assess the applicability of the EN 1993-1-4, ASCE 8-02 and AS/NZS for stainless steel welded-sections. It shows that current design method predicts the buckling resistance of welded stainless steel box-section generally conservative thus improvement could be anticipated. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：185 / 197

页数：13

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