Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading

Abstract This paper deals with the behaviour of welded "T" joints between RHS sections submitted to tension brace loading combined with chord axial loading. In the companion paper (part I) a finite element model and a study without axial load in the chord, focusing on the joint behaviour a...

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Main Authors: R.M.M.P. de Matos, L.F. Costa-Neves, L.R.O. de Lima, P.C.G.S. Vellasco, J.G.S. da Silva
Format: Article
Language:English
Published: Marcílio Alves
Series:Latin American Journal of Solids and Structures
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252015001102180&lng=en&tlng=en
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author R.M.M.P. de Matos
L.F. Costa-Neves
L.R.O. de Lima
P.C.G.S. Vellasco
J.G.S. da Silva
author_facet R.M.M.P. de Matos
L.F. Costa-Neves
L.R.O. de Lima
P.C.G.S. Vellasco
J.G.S. da Silva
author_sort R.M.M.P. de Matos
collection DOAJ
description Abstract This paper deals with the behaviour of welded "T" joints between RHS sections submitted to tension brace loading combined with chord axial loading. In the companion paper (part I) a finite element model and a study without axial load in the chord, focusing on the joint behaviour as a function of the significant geometrical variables, were presented. In this part II paper, tension loading on the brace is incremented up to the joint failure, but is combined with different chord load levels in tension or compression, that are kept constant for each case. The same geometries and geometric variables as in the companion paper are used, and therefore the influence of these features together with the chord load level (in tension or compression) on the connection's response is evaluated. The force-displacement curves from the different geometries and chord load levels are analysed and compared, with a special attention on the influence of the chord load on the joint resistance and stiffness. Finally, a comparison of the numerical results with the (Eurocode 3, 2005) and the newer (ISO 14346, 2013) provisions is presented and discussed.
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spelling doaj.art-ee5a036baaad491baba939896f916b282022-12-22T03:00:41ZengMarcílio AlvesLatin American Journal of Solids and Structures1679-782512112180220710.1590/1679-78251791S1679-78252015001102180Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord LoadingR.M.M.P. de MatosL.F. Costa-NevesL.R.O. de LimaP.C.G.S. VellascoJ.G.S. da SilvaAbstract This paper deals with the behaviour of welded "T" joints between RHS sections submitted to tension brace loading combined with chord axial loading. In the companion paper (part I) a finite element model and a study without axial load in the chord, focusing on the joint behaviour as a function of the significant geometrical variables, were presented. In this part II paper, tension loading on the brace is incremented up to the joint failure, but is combined with different chord load levels in tension or compression, that are kept constant for each case. The same geometries and geometric variables as in the companion paper are used, and therefore the influence of these features together with the chord load level (in tension or compression) on the connection's response is evaluated. The force-displacement curves from the different geometries and chord load levels are analysed and compared, with a special attention on the influence of the chord load on the joint resistance and stiffness. Finally, a comparison of the numerical results with the (Eurocode 3, 2005) and the newer (ISO 14346, 2013) provisions is presented and discussed.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252015001102180&lng=en&tlng=enFinite element methodhollow section jointscombined loadingdeformation limitresistance evaluation
spellingShingle R.M.M.P. de Matos
L.F. Costa-Neves
L.R.O. de Lima
P.C.G.S. Vellasco
J.G.S. da Silva
Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
Latin American Journal of Solids and Structures
Finite element method
hollow section joints
combined loading
deformation limit
resistance evaluation
title Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
title_full Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
title_fullStr Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
title_full_unstemmed Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
title_short Resistance and Elastic Stiffness of RHS "T" Joints: Part II - Combined Axial Brace and Chord Loading
title_sort resistance and elastic stiffness of rhs t joints part ii combined axial brace and chord loading
topic Finite element method
hollow section joints
combined loading
deformation limit
resistance evaluation
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252015001102180&lng=en&tlng=en
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