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Fire testing and design of slender stainless steel I-sections in weak-axis flexure
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Xing, Zhe, Zhao, Ou, Kucukler, Merih and Gardner, Leroy (2022) Fire testing and design of slender stainless steel I-sections in weak-axis flexure. Thin-Walled Structures, 171 . 108682. doi:10.1016/j.tws.2021.108682
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WRAP-Fire-testing-design-slender-stainless-steel-I-sections-2021.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (6Mb) | Preview |
Official URL: https://doi.org/10.1016/j.tws.2021.108682
Abstract
The structural fire response of slender austenitic stainless steel I-sections in weak-axis flexure is studied experimentally for the first time. The presented experimental programme comprised local geometric imperfection measurements for all the test beams, room temperature material tests, a reference room temperature weak-axis bending test and a series of elevated temperature weak-axis bending tests. The experimental setup, procedure and measured responses of the test specimens are fully described. The results demonstrate that, despite the studied cross-section being slender, considerable inelastic strength reserves were displayed. Such behaviour has previously been observed in steel I-sections in weak-axis flexure at room temperature. The test results are used to assess the accuracy of existing fire design provisions in predicting the weak-axis bending moment resistances of slender stainless steel I-sections. Significantly improved capacity predictions were achieved through the application of a plastic effective width method in which the beneficial influence of the partial spread of plasticity is captured.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
| Library of Congress Subject Headings (LCSH): | Stainless steel , Stainless steel -- Heat treatment , Stainless steel -- Thermal properties , Stainless steel -- Fatigue , Steel I-beams , Buckling (Mechanics) | ||||||||||
| Journal or Publication Title: | Thin-Walled Structures | ||||||||||
| Publisher: | Elsevier Science Ltd. | ||||||||||
| ISSN: | 0263-8231 | ||||||||||
| Official Date: | February 2022 | ||||||||||
| Dates: |
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| Volume: | 171 | ||||||||||
| Article Number: | 108682 | ||||||||||
| DOI: | 10.1016/j.tws.2021.108682 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Date of first compliant deposit: | 7 January 2022 | ||||||||||
| Date of first compliant Open Access: | 18 December 2022 |
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