Modeling Elastic Stability of a Pressed Box Girder Flange

Mirko Djelosevic; Ilija Tanackov; Milan Kostelac; Vladeta Gajic; Jovan Tepic

doi:10.4028/www.scientific.net/AMM.343.35

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 343Modeling Elastic Stability of a Pressed Box Girder...

Modeling Elastic Stability of a Pressed Box Girder Flange

Abstract:

The paper examines the elastic stability of pressed sheet metal flange of a box girder. Mathematical interpretation of elastic stability is performed on the model plate with two freely supported and two elastically restrained edges subjected to combined loads. The research is based on the energy analysis approach, using the principle of minimum deformation energy and the method of cross-sectional girder element decomposition. The plate elastic stability mechanism is investigated in an interactive environment that simulates local loads and compressive longitudinal forces produced by global stress. The significant geometric parameters, as well as support and load conditions affecting the loss of stability, are identified. The research results can be applied as a constraint on the local flange stability in the optimization of box girders.

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Periodical:

Applied Mechanics and Materials (Volume 343)

Pages:

35-41

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.343.35

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Online since:

July 2013

Authors:

Mirko Djelosevic, Ilija Tanackov, Milan Kostelac, Vladeta Gajic, Jovan Tepic

Keywords:

Box Girder, Buckling, Elastic Stability, Flange, Plate

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