Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling

This paper presents an experimental and numerical study of the local–flexural interactive buckling behaviour and resistances of press-braked ferritic stainless steel slender channel section columns. An experimental programme was firstly conducted, including initial geometric imperfection measurement...

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Main Authors: Li, Shuai, Zhao, Ou
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2023
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Online Access:https://hdl.handle.net/10356/168918
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1689182023-06-22T06:10:20Z Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling Li, Shuai Zhao, Ou School of Civil and Environmental Engineering Engineering::Civil engineering Design Analyses Ferritic Stainless Steel This paper presents an experimental and numerical study of the local–flexural interactive buckling behaviour and resistances of press-braked ferritic stainless steel slender channel section columns. An experimental programme was firstly conducted, including initial geometric imperfection measurements and ten pin-ended column tests. Interaction between local buckling and flexural buckling was observed for all column specimens upon testing and discussed in detail. The test results were used in a parallel numerical modelling programme to validate finite element models, which were then adopted to perform parametric studies to generate additional numerical data over a wide range of cross-section dimensions and member effective lengths. Based on the test and numerical data, the relevant design rules for press-braked ferritic stainless steel slender channel section columns, as given in the American specification and European code, were evaluated. The evaluation results revealed that the American specification resulted in a good level of design accuracy, while the European code led to conservative and scattered interactive buckling resistance predictions. Finally, a revised Eurocode design method was proposed and shown to yield much more accurate and consistent interactive buckling resistance predictions for press-braked ferritic stainless steel slender channel section columns than its original counterpart. 2023-06-22T06:10:20Z 2023-06-22T06:10:20Z 2023 Journal Article Li, S. & Zhao, O. (2023). Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling. Thin-Walled Structures, 185, 110621-. https://dx.doi.org/10.1016/j.tws.2023.110621 0263-8231 https://hdl.handle.net/10356/168918 10.1016/j.tws.2023.110621 2-s2.0-85148539398 185 110621 en Thin-Walled Structures © 2023 Elsevier Ltd. All rights reserved.
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Civil engineering
Design Analyses
Ferritic Stainless Steel
spellingShingle Engineering::Civil engineering
Design Analyses
Ferritic Stainless Steel
Li, Shuai
Zhao, Ou
Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
description This paper presents an experimental and numerical study of the local–flexural interactive buckling behaviour and resistances of press-braked ferritic stainless steel slender channel section columns. An experimental programme was firstly conducted, including initial geometric imperfection measurements and ten pin-ended column tests. Interaction between local buckling and flexural buckling was observed for all column specimens upon testing and discussed in detail. The test results were used in a parallel numerical modelling programme to validate finite element models, which were then adopted to perform parametric studies to generate additional numerical data over a wide range of cross-section dimensions and member effective lengths. Based on the test and numerical data, the relevant design rules for press-braked ferritic stainless steel slender channel section columns, as given in the American specification and European code, were evaluated. The evaluation results revealed that the American specification resulted in a good level of design accuracy, while the European code led to conservative and scattered interactive buckling resistance predictions. Finally, a revised Eurocode design method was proposed and shown to yield much more accurate and consistent interactive buckling resistance predictions for press-braked ferritic stainless steel slender channel section columns than its original counterpart.
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Li, Shuai
Zhao, Ou
format Article
author Li, Shuai
Zhao, Ou
author_sort Li, Shuai
title Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
title_short Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
title_full Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
title_fullStr Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
title_full_unstemmed Testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
title_sort testing, simulation and design of press-braked ferritic stainless steel slender channel section columns failing by local–flexural interactive buckling
publishDate 2023
url https://hdl.handle.net/10356/168918
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