Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns

The present paper reports experimental and numerical studies of the structural behaviour and resistances of press-braked austenitic stainless steel slender channel section beam-columns under combined compression and minor-axis bending. An experimental programme, including initial geometric imperfect...

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Main Authors: Li, Shuai, Su, Andi, Zhao, Ou
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2023
Subjects:
Online Access:https://hdl.handle.net/10356/172141
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1721412023-11-27T01:43:54Z Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns Li, Shuai Su, Andi Zhao, Ou School of Civil and Environmental Engineering Engineering::Civil engineering Austenitic Stainless Steel Design Interaction Curves The present paper reports experimental and numerical studies of the structural behaviour and resistances of press-braked austenitic stainless steel slender channel section beam-columns under combined compression and minor-axis bending. An experimental programme, including initial geometric imperfection measurements and ten beam-column tests, was firstly performed. The test procedures, setups and results were fully reported. The experimental programme was accompanied by a numerical modelling programme, including a validation study, where finite element models were developed and validated against the test results, and a series of parametric studies, where the validated finite element models were used to generate further numerical data. The obtained test and numerical data were adopted to assess the current design interaction curves for press-braked austenitic stainless steel slender channel section beam-columns, as provided in the European code, American specification and Australian/New Zealand standard. The assessment results revealed that all the three codified design interaction curves led to conservative and scattered resistance predictions, due to the conservative compression and bending end points and inappropriate shapes. To address these shortcomings, a new design interaction curve has been proposed and shown to yield a higher level of design accuracy and consistency for press-braked austenitic stainless steel slender channel section beam-columns than the codified design interaction curves. The authors thank Bahru Stainless, Sdn. Bhd. for sponsoring press-braked austenitic stainless steel slender channel section beam-column specimens. 2023-11-27T01:43:54Z 2023-11-27T01:43:54Z 2023 Journal Article Li, S., Su, A. & Zhao, O. (2023). Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns. Engineering Structures, 281, 115818-. https://dx.doi.org/10.1016/j.engstruct.2023.115818 0141-0296 https://hdl.handle.net/10356/172141 10.1016/j.engstruct.2023.115818 2-s2.0-85148547683 281 115818 en Engineering 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
Austenitic Stainless Steel
Design Interaction Curves
spellingShingle Engineering::Civil engineering
Austenitic Stainless Steel
Design Interaction Curves
Li, Shuai
Su, Andi
Zhao, Ou
Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
description The present paper reports experimental and numerical studies of the structural behaviour and resistances of press-braked austenitic stainless steel slender channel section beam-columns under combined compression and minor-axis bending. An experimental programme, including initial geometric imperfection measurements and ten beam-column tests, was firstly performed. The test procedures, setups and results were fully reported. The experimental programme was accompanied by a numerical modelling programme, including a validation study, where finite element models were developed and validated against the test results, and a series of parametric studies, where the validated finite element models were used to generate further numerical data. The obtained test and numerical data were adopted to assess the current design interaction curves for press-braked austenitic stainless steel slender channel section beam-columns, as provided in the European code, American specification and Australian/New Zealand standard. The assessment results revealed that all the three codified design interaction curves led to conservative and scattered resistance predictions, due to the conservative compression and bending end points and inappropriate shapes. To address these shortcomings, a new design interaction curve has been proposed and shown to yield a higher level of design accuracy and consistency for press-braked austenitic stainless steel slender channel section beam-columns than the codified design interaction curves.
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Li, Shuai
Su, Andi
Zhao, Ou
format Article
author Li, Shuai
Su, Andi
Zhao, Ou
author_sort Li, Shuai
title Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
title_short Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
title_full Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
title_fullStr Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
title_full_unstemmed Structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
title_sort structural behaviour of press-braked austenitic stainless steel slender channel section beam-columns
publishDate 2023
url https://hdl.handle.net/10356/172141
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