stainless steel structures; distortional buckling; Direct Strength Method; member buckling; interaction buckling
Abstract :
[en] This paper provides a critical summary of the European standards and design methods
available for calculating the strength of cold-formed stainless steel compression members. The
standards considered (so far mainly applied to columns failing by flexural buckling) are applied to the
case of lipped channel section columns failing by combined distortional and overall flexural-torsional
buckling. As observed during the tests presented in a companion paper, distortional buckling is found
to have a considerable effect on the cross-section resistance and is prone to interact with the global
flexural-torsional mode. It is investigated how the different formulations account for the two buckling
modes and their interaction and how accurate strength predictions they provide. A new Direct
Strength Method taking into account these failure modes is then presented and compared to the tests
results.
Disciplines :
Civil engineering
Author, co-author :
Rossi, Barbara ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon.
Jaspart, Jean-Pierre ; Université de Liège - ULiège > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon.
Rasmussen, Kim J.R.; University of Sydney
Language :
English
Title :
Combined distortional and overall flexural-torsional buckling of cold-formed stainless steel sections: Design
Publication date :
April 2010
Journal title :
Journal of Structural Engineering
ISSN :
0733-9445
eISSN :
1943-541X
Publisher :
American Society of Civil Engineers, Reston, United States - Virginia
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Bibliography
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