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Continuum Mechanics and Thermodynamics

, Volume 30, Issue 5, pp 977–993 | Cite as

Flexural torsional buckling of uniformly compressed beam-like structures

  • M. Ferretti
Original Article
  • 63 Downloads

Abstract

A Timoshenko beam model embedded in a 3D space is introduced for buckling analysis of multi-store buildings, made by rigid floors connected by elastic columns. The beam model is developed via a direct approach, and the constitutive law, accounting for prestress forces, is deduced via a suitable homogenization procedure. The bifurcation analysis for the case of uniformly compressed buildings is then addressed, and numerical results concerning the Timoshenko model are compared with 3D finite element analyses. Finally, some conclusions and perspectives are drawn.

Keywords

Beam-like structures Equivalent beam model Timoshenko beam Homogenization procedure Buckling analysis 

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Notes

Acknowledgements

The author is grateful to Prof. Angelo Luongo for his many insightful suggestions and for his kind support throughout the progress of the work.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.International Research Center on Mathematics and Mechanics of Complex SystemsUniversity of L’AquilaL’AquilaItaly
  2. 2.Department of Civil, Construction-Architectural and Environmental EngineeringUniversity of L’AquilaL’AquilaItaly

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