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Title: | FEM analysis of the buckling behavior of thin-walled CFS columns. Part I-Channel (C) and Double Channel (I) cross-sections | Authors: | Craveiro, Helder D. da Silva, L. S. Martins, J. P. GOUVEIA HENRIQUES, Jose |
Issue Date: | 2019 | Publisher: | ROUTLEDGE | Source: | Wald, F; Jandera, M (Ed.). STABILITY AND DUCTILITY OF STEEL STRUCTURES 2019, ROUTLEDGE, p. 295 -302 | Series/Report: | Jandera | Series/Report no.: | M | Abstract: | One of the main advantages of thin-walled CFS profiles is the "freedom" the designer has to conceive a cross-section shape tailored for the structural application. Consequently, different cross-sections shapes have been developed and may be found in the market. Furthermore, the combination of thin-walled CFS profiles, in the form of built-up cross-section members, further increases the range of available options. On the other hand, this diversity of solutions brings a challenge to the designer, as for some uncommon cross-section shapes, the mechanical behavior is not entirely known and therefore not covered in the design codes. Hence, in this paper, the buckling behavior of thin-walled CFS columns is investigated by means of FEM. The numerical models were developed and calibrated using experimental results on lipped channels and open built-up I cross-sections. Upon validation, a parametric analysis is performed, to further assess the influence of different parameters, such as steel thickness, material grade, cross-section dimensions, boundary conditions and connection spacing, in the case of the built-up cross-section. | Notes: | Craveiro, HD (corresponding author), Univ Coimbra, ISISE Inst Sustainabil & Innovat Struct Engn, Coimbra, Portugal. | Other: | Craveiro, HD (corresponding author) Univ Coimbra, ISISE Inst Sustainabil & Innovat Struct Engn, Coimbra, Portugal. | Document URI: | http://hdl.handle.net/1942/31888 | ISBN: | 978-0-429-32024-8 ; 978-0-367-33503-8 |
ISI #: | WOS:000542030200033 | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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