Article (Scientific journals)
Numerical analysis of stainless steel beam-columns in case of fire
Lopes, Nuno; Vila Real, Paulo; Simoes da Silva, Luis et al.
2012In Fire Safety Journal, 50, p. 35-50
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Keywords :
Stainless steel; fire; beam-column; flexural buckling; lateral torsional buckling; design
Disciplines :
Civil engineering
Author, co-author :
Lopes, Nuno;  University of Aveiro
Vila Real, Paulo;  University of Aveiro
Simoes da Silva, Luis;  University of Coïmbra
Franssen, Jean-Marc  ;  Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu
Language :
English
Title :
Numerical analysis of stainless steel beam-columns in case of fire
Publication date :
2012
Journal title :
Fire Safety Journal
ISSN :
0379-7112
eISSN :
1873-7226
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
50
Pages :
35-50
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
This paper presents an evaluation of the accuracy and safety of the design rules from Eurocode 3, for the fire resistance of stainless steel beam-columns, with and without lateral-torsional buckling. These evaluations are carried out performing an extensive numerical parametric study on beam-columns with equivalent welded H-cross-sections. In this study the influences of the residual stresses, the cross-sectional slenderness, the shape of the bending moment diagrams and the stainless steel grade are considered. New proposals for the design equations of stainless steel beam-columns in case of fire are presented. These proposals revealed to be safer than the design equations of Eurocode 3 when compared with numerical results. Additionally, the lateral-torsional buckling of stainless steel beams subjected to combined end moments and transverse loads in case of fire is also studied.
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