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Experimental Evaluation of the Influence of Connection Typology on the Behavior of Steel Structures Under Fire

Auteur(s):




Médium: article de revue
Langue(s): anglais
Publié dans: Engineering Journal, , n. 2, v. 46
Page(s): 81-98
DOI: 10.62913/engj.v46i2.1227
Abstrait:

The behavior of steel joints under fire loading is a subject that has only recently received special attention by the research community. In fact, as recently as 1995, the European pre-standard on the fire response of steel structures deemed it unnecessary to assess the behavior of steel joints under fire conditions. This approach was supported by the argument that there is increased thermal mass at the joint area. However, observations from real fires show that, on several occasions, steel joints fail, particularly their tensile components (such as bolts or end plates), because of the high cooling strains induced by the distortional deformation of the connected members. The main objective of this paper is to describe an experimental test program carried out by the Department of Civil Engineering at the University of Coimbra on a steel sub-frame in order to evaluate the behavior of various types of steel joints under a natural fire and transient temperature conditions along the length of the beam. The tests were carried out on a purposely developed experimental installation that could reproduce the transient temperature conditions measured in the seventh Cardington test. The results of these tests provide invaluable evidence on how to design joints that are able to survive a fire.

Structurae ne peut pas vous offrir cette publication en texte intégral pour l'instant. Le texte intégral est accessible chez l'éditeur. DOI: 10.62913/engj.v46i2.1227.
  • Informations
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  • Reference-ID
    10782548
  • Publié(e) le:
    17.05.2024
  • Modifié(e) le:
    17.05.2024
 
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