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In-plane structural response and design of duplex and ferritic stainless steel welded I-section beam–columns

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Kucukler, Merih and Gardner, Leroy (2021) In-plane structural response and design of duplex and ferritic stainless steel welded I-section beam–columns. Engineering Structures, 247 . 113136. doi:10.1016/j.engstruct.2021.113136

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Official URL: https://doi.org/10.1016/j.engstruct.2021.113136

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Abstract

In this paper, the in-plane behaviour and design of duplex and ferritic stainless steel welded I-section beam–columns fabricated through the welding of individual hot-rolled stainless steel plates are explored. Finite element models able to replicate the structural response of stainless steel I-section members are created and validated against experimental results from the literature. Using the validated finite element models, extensive numerical parametric studies are performed, the results of which are utilised to investigate the accuracy and reliability of existing design provisions for duplex and ferritic stainless steel I-section beam–columns. Scope for improvement is revealed, prompting the development of new beam–column design rules that are compatible with those provided for carbon steel members in EN 1993-1-1. The new proposals are shown to offer improved accuracy and consistency over existing design provisions for duplex and ferritic stainless steel I-section members under combined axial compression and bending, and are recommended for inclusion in the upcoming revision to EN 1993-1-4. The reliability of the proposed design rules, with a partial safety factor 1.1, is demonstrated.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TN Mining engineering. Metallurgy
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Steel I-beams -- Design and construction, Steel I-beams, Buckling (Mechanics), Duplex stainless steel, Ferritic steel
Journal or Publication Title: Engineering Structures
Publisher: Elsevier Science Ltd.
ISSN: 0141-0296
Official Date: 15 November 2021
Dates:
DateEvent
15 November 2021Published
15 September 2021Available
1 September 2021Accepted
Volume: 247
Article Number: 113136
DOI: 10.1016/j.engstruct.2021.113136
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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