Distortional buckling resistance of intermediate stiffeners in stainless steel cold-formed profiles

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F21%3A00351319" target="_blank" >RIV/68407700:21110/21:00351319 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.tws.2021.108390" target="_blank" >https://doi.org/10.1016/j.tws.2021.108390</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.tws.2021.108390" target="_blank" >10.1016/j.tws.2021.108390</a>

Result language
angličtina
Original language name
Distortional buckling resistance of intermediate stiffeners in stainless steel cold-formed profiles
Original language description
The presented numerical study is focused on the resistance of compressed stainless steel cold-formed elements with an intermediate stiffener; this is typical of profiled sheeting flanges. The numerical model of a compressed stiffened element was validated on tests from literature. These adopted test results were substantially extended by a numerical parametric study to cover the whole slenderness range of stiffeners, their common geometries, as well as material diagrams typical of austenitic, duplex, and ferritic cold-formed stainless steels. Finally, the distortional buckling curve currently used in Eurocode 3 was found to be significantly unsafe. The design procedure was therefore modified – a lower distortional buckling curve was proposed. The proposed method was confirmed by the reliability study according to the Eurocode safety requirements. In addition, carbon steel models were also investigated with obtaining unsatisfactory results regarding the codified design procedure.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20102 - Construction engineering, Municipal and structural engineering

Project
<a href="/en/project/GA20-24563S" target="_blank" >GA20-24563S: Global analysis methods for slender structures of stainless steels and other steels with non-linear stress-strain diagram</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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