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Cross-section stability and design of normal strength and high strength steel I-sections in fire
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Kucukler, Merih (2022) Cross-section stability and design of normal strength and high strength steel I-sections in fire. International Journal of Structural Stability and Dynamics, 22 (13). 2250146. doi:10.1142/S0219455422501462
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WRAP-cross-section-stability-design-normal-strength-high-strength-steel-I-sections-fire-Kucukler-2022.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only until 20 May 2023. Contact author directly, specifying your specific needs. - Requires a PDF viewer. Download (3488Kb) |
Official URL: https://doi.org/10.1142/S0219455422501462
Abstract
The structural response and design of normal strength and high strength steel I-sections at elevated temperatures are investigated in this paper. The shell finite element models of steel I-section elements capable of replicating their behavior in fire are developed and validated against experimental results from the literature. The validated shell finite element models are then utilized to generate extensive structural performance data for steel I-sections, considering a broad range of plate slenderness values for cross-section elements, elevated temperature levels, cross-section aspect ratios as well as different loading conditions and normal strength and high strength steel grades. The accuracy of the existing methods provided in the European structural steel fire design standard EN 1993-1-2 and its upcoming version prEN 1993-1-2 for the ultimate strength predictions of normal strength and high strength steel cross-sections in fire is assessed. Scope for improvement is observed. Considering this, a new method for the ultimate strength predictions of normal strength and high strength steel sections at elevated temperatures is put forward. It is shown that the proposed method leads to more accurate ultimate strength predictions for normal strength and high strength steel I-sections in fire with a higher level of reliability relative to the existing design methods provided in EN 1993-1-2 and prEN 1993-1-2.
| Item Type: | Journal Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
| Library of Congress Subject Headings (LCSH): | Steel I-beams, Buckling (Mechanics), Steel -- Heating | ||||||||||
| Journal or Publication Title: | International Journal of Structural Stability and Dynamics | ||||||||||
| Publisher: | World Scientific Publishing Co. Pte. Ltd. | ||||||||||
| ISSN: | 0219-4554 | ||||||||||
| Official Date: | October 2022 | ||||||||||
| Dates: |
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| Volume: | 22 | ||||||||||
| Number: | 13 | ||||||||||
| Article Number: | 2250146 | ||||||||||
| DOI: | 10.1142/S0219455422501462 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Reuse Statement (publisher, data, author rights): | Electronic version of an article published as International Journal of Structural Stability and Dynamics . doi:10.1142/S0219455422501462 © copyright World Scientific Publishing Company https://www.worldscientific.com/worldscinet/ijssd | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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