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In-plane structural response and design of steel I-section beam-columns at elevated temperatures
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Kucukler, Merih (2022) In-plane structural response and design of steel I-section beam-columns at elevated temperatures. Structures, 39 . pp. 1045-1062. doi:10.1016/j.istruc.2022.03.026
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Official URL: https://doi.org/10.1016/j.istruc.2022.03.026
Abstract
In this paper, the behaviour and design of steel I-section beam-columns in fire are explored. Finite element models capable of mimicking the behaviour of steel beam-columns in fire are developed. Results from fire experiments on steel I-section beam-columns from the literature are utilised for the validation of the finite element models. Extensive structural performance data are generated on the response of steel I-section beam-columns through numerical simulations, considering different cross-section shapes, elevated temperature levels, member slendernesses and loading conditions. The accuracy and safety of the beam-column design methods provided in the current European structural steel fire design standard EN 1993-1-2 and its upcoming version prEN 1993-1-2 are explored. A new fire design method for steel beam-columns that is compatible with the room temperature beam-column design method provided in the European room temperature structural steel design standard EN 1993-1-1 is put forward. The proposed design rules enable the establishment of a consistency between the beam-column design methods of the European structural steel room temperature and fire design standards (i.e. EN 1993-1-1 and EN 1993-1-2), which is currently lacking. The higher accuracy, safety and reliability of the proposed fire design rules for steel beam-columns relative to those given in EN 1993-1-2 and prEN1993-1-2 are verified.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Steel I-beams -- Fire testing, Steel -- Thermal properties, Steel I-beams -- Design and construction, Buckling (Mechanics) | ||||||||
| Journal or Publication Title: | Structures | ||||||||
| Publisher: | Elsevier | ||||||||
| ISSN: | 2352-0124 | ||||||||
| Official Date: | May 2022 | ||||||||
| Dates: |
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| Volume: | 39 | ||||||||
| Page Range: | pp. 1045-1062 | ||||||||
| DOI: | 10.1016/j.istruc.2022.03.026 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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