Flanged Connections of Steel Tubular Sections under High Bending Stresses: A Comparison between Two Thickness Design Methods

A.M. Velten; R.L.U. de F. Pinto

doi:10.4028/www.scientific.net/AMM.798.25

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 798Flanged Connections of Steel Tubular Sections...

Flanged Connections of Steel Tubular Sections under High Bending Stresses: A Comparison between Two Thickness Design Methods

Abstract:

This work presents a comparison of different possibilities of flange design of an aeolian tower structure, focusing the thickness determination, the critical connection parameter. The dimensioned structure is a fifteen-meter length tubular arm under bend stresses caused by wind loads and by gravitational loads, since the tubular arm might be horizontal or vertically positioned. The tubular sections connected by the flanges are all circular with external diameter varying from 270 to 360 mm and the flange modules are also circular shaped. Since the tubular diameters are relatively large, the lever effect plays a definitive role in the design. Most of the fluid conduits flange design criteria are not applicable for such diameters sizes and have a load case different from those of an aeolian tower. Two different approaches are presented and their flange thickness results compared.

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Periodical:

Applied Mechanics and Materials (Volume 798)

Pages:

25-29

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.798.25

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Online since:

October 2015

Authors:

A.M. Velten*, R.L.U. de F. Pinto

Keywords:

Connections, Flange Design, Lever Effect

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