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Title: Fire testing and design of slender stainless steel I-sections in weak-axis flexure
Authors: Xing, Zhe
Zhao, Ou
Kucukler, Merih
Gardner, Leroy
Keywords: Engineering::Civil engineering
Issue Date: 2022
Source: Xing, Z., Zhao, O., Kucukler, M. & Gardner, L. (2022). Fire testing and design of slender stainless steel I-sections in weak-axis flexure. Thin-Walled Structures, 171, 108682-.
Journal: Thin-Walled Structures
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.
ISSN: 0263-8231
DOI: 10.1016/j.tws.2021.108682
Rights: © 2021 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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