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Behaviour of stainless steel plain channel section columns

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2020
bitstream_8556.pdf (2.039Mb)
Authors
Dobrić, Jelena
Ivanović, Jovana
Rossi, Barbara
Article (Accepted Version)
,
2020 Elsevier Ltd.
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Abstract
In this paper, the structural stability of cold-formed stainless steel plain channel columns under axial compression is investigated. Reliable finite element models for channel section columns are first developed and validated against experiments conducted on stainless steel lipped channel specimens. This is followed by a parametric study in which columns made of austenitic, ferritic and duplex stainless steel are assessed. The considered cross-section classes and column lengths cover the entire range of global slenderness. The effects of material and geometrical nonlinearity are considered in the numerical analysis. The numerically generated data are then employed to evaluate the accuracy of the current European and Australian design codes EN 1993-1-4 and AS/NZS 4673 respectively, for predicting the flexural and flexural-torsional column buckling resistance. The results show a necessity to improve the current buckling curve used to predic...t the flexural buckling resistance of plain channel section columns, currently adopted in EN 1993-1-4, whose use may lead to unsafe predictions, especially for the austenitic grade.

Keywords:
Stainless steel / Channel columns / Compression / Flexural buckling / Flexural-torsional buckling / Buckling curve / Finite element modelling
Source:
Thin-Walled Structures, 2020, 148
Funding / projects:
  • Research on condition assessment and improvement methods of civil engineering structures in view of their serviceability, load-bearing capacity, cost effectiveness and maintenance (RS-36048)

DOI: https://doi.org/10.1016/j.tws.2020.106600

ISSN: 0263-8231

[ Google Scholar ]
URI
https://grafar.grf.bg.ac.rs/handle/123456789/2098
Collections
  • Катедра за материјале и конструкције
Institution/Community
GraFar
TY  - JOUR
AU  - Dobrić, Jelena
AU  - Ivanović, Jovana
AU  - Rossi, Barbara
PY  - 2020
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2098
AB  - In  this  paper,  the  structural  stability  of  cold-formed  stainless  steel  plain  channel  columns  under  axial compression is investigated. Reliable finite element models for channel section columns are first developed and validated  against  experiments  conducted  on  stainless  steel  lipped  channel  specimens.  This  is  followed  by  a parametric  study  in  which  columns  made  of  austenitic,  ferritic  and  duplex  stainless  steel  are  assessed.  The considered cross-section classes and column lengths cover the entire range of global slenderness. The effects of 
material and geometrical nonlinearity are considered in the numerical analysis. The numerically generated data are then employed to evaluate the accuracy of the current European and Australian design codes EN 1993-1-4 and AS/NZS  4673  respectively, for predicting the flexural and flexural-torsional column buckling resistance. The results show a necessity to improve the current buckling curve used to predict the flexural buckling resistance of plain channel section columns, currently adopted in EN 1993-1-4, whose use may lead to unsafe predictions, especially for the austenitic grade.
T2  - Thin-Walled Structures
T1  - Behaviour of stainless steel plain channel section columns
VL  - 148
DO  - https://doi.org/10.1016/j.tws.2020.106600
ER  - 
@article{
author = "Dobrić, Jelena and Ivanović, Jovana and Rossi, Barbara",
year = "2020",
abstract = "In  this  paper,  the  structural  stability  of  cold-formed  stainless  steel  plain  channel  columns  under  axial compression is investigated. Reliable finite element models for channel section columns are first developed and validated  against  experiments  conducted  on  stainless  steel  lipped  channel  specimens.  This  is  followed  by  a parametric  study  in  which  columns  made  of  austenitic,  ferritic  and  duplex  stainless  steel  are  assessed.  The considered cross-section classes and column lengths cover the entire range of global slenderness. The effects of 
material and geometrical nonlinearity are considered in the numerical analysis. The numerically generated data are then employed to evaluate the accuracy of the current European and Australian design codes EN 1993-1-4 and AS/NZS  4673  respectively, for predicting the flexural and flexural-torsional column buckling resistance. The results show a necessity to improve the current buckling curve used to predict the flexural buckling resistance of plain channel section columns, currently adopted in EN 1993-1-4, whose use may lead to unsafe predictions, especially for the austenitic grade.",
journal = "Thin-Walled Structures",
title = "Behaviour of stainless steel plain channel section columns",
volume = "148",
doi = "https://doi.org/10.1016/j.tws.2020.106600"
}
Dobrić, J., Ivanović, J.,& Rossi, B.. (2020). Behaviour of stainless steel plain channel section columns. in Thin-Walled Structures, 148.
https://doi.org/https://doi.org/10.1016/j.tws.2020.106600
Dobrić J, Ivanović J, Rossi B. Behaviour of stainless steel plain channel section columns. in Thin-Walled Structures. 2020;148.
doi:https://doi.org/10.1016/j.tws.2020.106600 .
Dobrić, Jelena, Ivanović, Jovana, Rossi, Barbara, "Behaviour of stainless steel plain channel section columns" in Thin-Walled Structures, 148 (2020),
https://doi.org/https://doi.org/10.1016/j.tws.2020.106600 . .

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