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Title: Cold formed steel semi rigid joints.
Authors: Silva, Adriano Toledo da
Sarmanho, Arlene Maria Cunha
Nunes, Gabriel Vieira
Pereira, Daniel José Rocha
Neiva, Luiz Henrique de Almeida
Keywords: Numerical analysis
Issue Date: 2018
Citation: SILVA, A. T. et al. Cold formed steel semi rigid joints. Cold formed steel semi rigid joints, Ouro Preto, v. 71, n. 4, p. 497-504, out./dez, 2018. Disponível em: <>. Acesso em: 13 fev. 2019.
Abstract: This article presents a theoretical and numerical study of an innovative joint using cold-formed steel sections. The motivation for the study of this connection is the ease of manufacturing and assembly that it provides. The profiles are made of coldformed lipped channel sections, which are welded to form closed built-up sections on the columns and open built-up lipped sections to the beams. The beams use endplates connected by bolts (threaded bars) to the columns. The study evaluates the connection’s initial stiffness of 19 models, where the following parameters were varied: the thickness of the profiles and endplates, the height of the column sections and the diameter of the bolts. A theoretical and a numerical study were developed: the numerical study was performed using finite elements through the commercial software ANSYS, whereas the theoretical study was made based on the component method, prescribed by Eurocode 3, that does not include the design of the connection analyzed herein. Thus, aiming to enable the design of joints composed of cold-formed lipped channel sections, the analysis results were compared and an adjustment coefficient, proportional to the slenderness of the column’s plates, was proposed. The coefficient was introduced to the stiffness component that represents the column web in compression in the mechanical model. The ratio between the coefficients’ numerical and theoretical values presented a maximum variation of 11%, which was considered satisfactory.
ISSN: 1807-0353
metadata.dc.rights.license: A REM - International Engineering Journal - autoriza o depósito de cópia de artigos dos professores e alunos da UFOP no Repositório Institucional da UFOP. Licença concedida mediante preenchimento de formulário online em: 12 set. 2013.
Appears in Collections:DECIV - Artigos publicados em periódicos

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