Flexural Tests on the H-Section Simple Beams with Local Buckling

Young Bong Kwon; Jin Hwan Cheung; Byung Seung Kong; Hwan Woo Lee; Kwang Kyu Choi

doi:10.4028/www.scientific.net/AMM.105-107.1677

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 105-107Flexural Tests on the H-Section Simple Beams with...

Flexural Tests on the H-Section Simple Beams with Local Buckling

Abstract:

This paper describes a series of flexural tests conducted on the H-section beams fabricated from SM490 plate of thickness 0.6mm with nominal yield stress 315 MPa. Flexural members with large width-to-thickness ratios in the flanges or the web may undergo local buckling before lateral-torsional buckling. The local buckling has a negative effect on the moment capacity based on the lateral-torsional buckling. Simple bending moment capacity formulas for flexural members were calibrated to the test results to account for interaction between local buckling and lateral-torsional buckling. The ultimate flexural strengths predicted by the proposed formulas for direct strength method were compared with the AISC (2005) and Eurocode3 (2003). The comparison showed that the moment formulas proposed can predict conservatively the bending moment capacity of H-section flexural members with local buckling.

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Periodical:

Applied Mechanics and Materials (Volumes 105-107)

Pages:

1677-1680

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.105-107.1677

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Online since:

September 2011

Authors:

Young Bong Kwon, Jin Hwan Cheung, Byung Seung Kong, Hwan Woo Lee, Kwang Kyu Choi

Keywords:

Bending Moment Capacity, Buckling Interaction, Direct Strength Method, Flexural Members, Lateral-Torsional Buckling, Local Buckling

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References

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