Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/14504
Title: Influence of splices on the stability behaviour of columns and frames
Authors: Simão, Pedro D. 
Coelho, Ana M. Girão 
Bijlaard, Frans S. K. 
Keywords: Column Stability; GBT; Lagrange Multipliers; Rayleigh-Ritz method; Spliced Columns
Issue Date: 2010
Publisher: Federal University of Rio de Janeiro
State University of Rio de Janeiro
Citation: SIMÃO, Pedro D.; COELHO, Ana M. Girão; BIJLAARD, Frans S. K. - Influence of splices on the stability behaviour of columns and frames. In BATISTA, E.; VELLASCO, P.; LIMA, L. de, ed lit. - SDSS’Rio 2010 International Colloquium on Stability and Ductility of Steel Structures : proceedings. Rio de Janeiro : Federal University; State University, 2010. ISBN 978-85-285-0137-7. Vol. 2, p. 619-626
Serial title, monograph or event: SDSS’Rio 2010 International Colloquium on Stability and Ductility of Steel Structures : proceedings
Volume: 2
Place of publication or event: Rio de Janeiro
Abstract: The paper presents a study on the influence of splice connections on the stability behaviour of compressed steel columns. The column is modelled as two independent prismatic parts connected by a rotational spring at the splice location and rotational and extensional springs at the column ends to represent the effect of the adjacent structure. The general behaviour is characterized using a polynomial Rayleigh-Ritz approximation substituted into the potential energy function, in combination with the Lagrange’s method of undetermined multipliers, and based on this model the critical load is found. The load-carrying capacity is analysed with respect to the following variables: (i) location and rotational stiffness of the splice, (ii) change in the column section serial size and (iii) column end-restraints stiffness coefficients. A nonlinear regression model is developed to predict simple relationships between the critical load and the relevant column characteristics.
URI: http://hdl.handle.net/10316/14504
ISBN: 978-85-285-0137-7
Rights: openAccess
Appears in Collections:FCTUC Eng.Civil - Artigos e Resumos em Livros de Actas

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