Approaches for the material properties of cold formed RHS
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Universidad de Oviedo
info
Argitaletxea: Korean Society of Steel Construction
ISBN: 978-89-8225-462-8
Argitalpen urtea: 2015
Orrialdeak: 229-230
Biltzarra: 8th International Symposium on Steel Structures (8TH ISSS)
Mota: Biltzar ekarpena
Laburpena
It is well known that the cold-forming process used to manufacture tubes causes an increase in both the yielding stress andthe ultimate strength of the corner material in rectangular steel hollow sections. This may have a significant effect on theresistance of any structure built with those profiles. However, the mentioned material hardening can be difficult to betaken into account in the calculations for members design or to evaluate the connection resistance through the designformulation or when using numerical simulation models.As an attempt to face the above mentioned problem, the present paper presents a comparison among simplifiedapproaches that consider homogeneous material properties for the whole section. It has been carried out by comparing theresults obtained from the finite element modelling of stub column tests in which the material properties based on the flatfaces were considered for the whole profile.