Experimental buckling path of compressed bars under displacement control
Szymon Imiełowski
Department of Hydroengineering; Faculty of Environmental Engineering; Warsaw University of Technology (Poland)
https://orcid.org/0000-0002-5204-3200
Aniela Glinicka
Department of Strength of Materials and Theory of Elasticity and Plasticity; Faculty of Civil Engineering; Warsaw University of Technology (Poland)
https://orcid.org/0000-0002-6960-7025
Cezary Ajdukiewicz
Department of Strength of Materials and Theory of Elasticity and Plasticity; Faculty of Civil Engineering; Warsaw University of Technology (Poland)
https://orcid.org/0000-0003-2315-796X
Abstract
Buckling and postcritical analysis of prismatic metal bars, including complex cycles of loading are considered in the paper. The postbuckling path analysis of bars loaded in the form of increasing displacements is discussed in detail. The results of experimental research are reported as a dependence of the force P versus lateral deflection f as well as total shortening of the rod u. It is stated that only the simultaneous analysis of both methods of presentation of results comprises a complete tool for developing the column response. Particularly, the response that appears in the first, linear elastic phase of loading can be observed on P-u diagrams. The increase of the compressing force causes visible shortening of the bar without its buckling. This important phenomenon is not usually included in stability considerations of prismatic rods.
Keywords:
stability of prismatic bars, buckling, postcritical path, displacement controlled compressionReferences
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Ziółkowski A., Imiełowski Sz.: Buckling and Post-buckling Behaviour of Prismatic Aluminium Columns Submitted to a Series of Compressive Loads, Experimental Mechanics 51 (2011) No2, 1335-1345.
DOI: https://doi.org/10.1007/s11340-010-9455-y
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Authors
Szymon ImiełowskiDepartment of Hydroengineering; Faculty of Environmental Engineering; Warsaw University of Technology Poland
https://orcid.org/0000-0002-5204-3200
Authors
Aniela GlinickaDepartment of Strength of Materials and Theory of Elasticity and Plasticity; Faculty of Civil Engineering; Warsaw University of Technology Poland
https://orcid.org/0000-0002-6960-7025
Authors
Cezary AjdukiewiczDepartment of Strength of Materials and Theory of Elasticity and Plasticity; Faculty of Civil Engineering; Warsaw University of Technology Poland
https://orcid.org/0000-0003-2315-796X
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