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Behaviour of axially-restrained tubular compression members exposed to varying thermal loads
Published in
2021
Volume: 179
   
Abstract
This paper discusses the behaviour of tubular compression members subjected to elevated temperature. The structural integrity of steel structures on exposure to elevated temperature is an important aspect to be considered. In order therefore to understand the behaviour of tubular and joints made of tubular compression members subjected to elevated temperature, studies were carried out. The experimental investigations were carried out on the compressive strength of axially-restrained tubular and joints made of tubular compression members at room as well as elevated temperature (localised). With a view to analyzing the failure modes, microstructural analysis was carried out on the samples extracted from the affected regions. The results reveal that the failure of the axially restrained compression members exposed to elevated temperature is attributed to localised axisymmetric imperfections apart from combined effect of temperature-induced thermal strains and material degradation. © 2021 Elsevier Ltd
About the journal
JournalJournal of Constructional Steel Research
Open AccessNo