The Comparative Study of Biaxial Bending Analysis of Steel Sections Using AISC and Eurocode Approaches
DOI:
https://doi.org/10.24086/cuesj.v4n2y2020.pp25-32Keywords:
Steel Sections, Biaxial bending analysis, AiSC specification, Eurocode, Fisher's conceptAbstract
ABSTRACT
This study investigates the capacity of the steel section using both AISC and Eurocode approaches by Robot Structure Analysis software. Three types of steel sections were subject to biaxial bending by applying loads to both main axes and examined by both approaches. The concept of Fisher was also adopted as an approach. The findings suggested that the Eurocode approach is more conservative in the design of steel sections subject to biaxial bending as it takes into account the level at which the load is applied, the type of the section whether rolled or welded and its height-to-width ratio (lateral buckling effect), the effects which are not considered in AISC approach. The AISC approach considers the shear center of the section as the level at which the loads are applied. The conservatism of the results was more pronounced when the section is close to H-section. Fisher`s concept of structural design of biaxial bending of structural steel is more conservative than both AISC and Eurocode approaches of analysis.
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Accepted 2021-02-20
Published 2020-12-30
