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This research paper aims to evaluate the influence of different vent hole geometries and welding on the strength of galvanized rectangular hollow sections K-joints typically used in tubular warren lattice girders. On the one hand, four different hole geometries were considered in this study, taking into account the standard recommendations and manufacturers suggestions. On the other hand, residual stresses derived from welding thermal loads on the RHS K-joints between tubular profiles were taken into account. Next, a nonlinear buckling analysis for each type of hole was undertaken and the numerical results have been validated in comparison with Eurocode 3-Part1.8. Finally, a design of experiments based on the previous FEM models was developed and a hundred different nonlinear buckling analyses were calculated, showing clearly the different joint failures, both in chord and braces. Surface response from each DOE analysis is presented and the most important conclusions of this work are exposed.

Titel:	Effect of the vent hole geometry and welding on the static strength of galvanized RHS K-joints by FEM and DOE
Autor/in / Beteiligte Person:	DEL COZ DIAZ, J. J ; SERRANO LOPEZ, M. A ; LOPEZ-COLINA PEREZ, C ; ALVAREZ RABANAL, F. P
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Engineering structures, Jg. 41 (2012), S. 218-233
Veröffentlichung:	Kidlington: Elsevier, 2012
Medientyp:	academicJournal
Umfang:	print, 26 ref
ISSN:	0141-0296 (print)
Schlagwort:	Civil engineering Génie civil Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Calcul des constructions. Sollicitations Structural analysis. Stresses Méthodes de calcul. Tables. Abaques Computation methods. Tables. Charts Construction (bâtiments et ouvrages) Construction (buildings and works) Structure construction Building structure Structure métallique Metal structure Bâtiment Buildings Enveloppes External envelopes Joints Acier Steel Acero Analyse non linéaire Nonlinear analysis análisis no lineal Analyse numérique Numerical analysis Análisis numérico Analyse thermique Thermal analysis Análisis térmico Construction métallique Metallic structure Construcción metálica Contrainte résiduelle Residual stress Tensión residual Etude comparative Comparative study Estudio comparativo Flambage Buckling Pandeo Grand déplacement Large displacement Gran desplazamiento Géométrie Geometry Geometría Joint construction Construction joint Junta construcción Méthode élément fini Finite element method Método elemento finito Plan expérience Experimental design Plan experiencia Soudage Welding Soldadura Design of Experiments Finite element analysis Large displacements Nonlinear buckling Welding residual stresses
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: University of Oviedo, Department of Construction and Manufacturing Engineering, 33204 Gijón, Spain Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering

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Effect of the vent hole geometry and welding on the static strength of galvanized RHS K-joints by FEM and DOE