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Numerical Study of Steel Beams in Sub-frame Assembly Validation of Existing Hand Calculation Procedures
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-7286-5500
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0003-4791-2341
University of Coimbra, Department of Civil Engineering.
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2015 (English)In: Journal of Structural Fire Engineering, ISSN 2040-2317, E-ISSN 2040-2325, Vol. 6, no 2, p. 123-140, article id 4Article in journal (Refereed) Published
Abstract [en]

The design methods currently proposed by the codes prescribe the strength assessment of structures to be based on their strength limit state. These design methods can be applied to isolated steel members to determine their design strengthin fire. The real response of a structural member is, however, more complex due to the thermal expansion and the presence of restraints against this expansion by the surrounding structure. It is therefore imperative to study the response of a structural member at high temperature in a way which includes its interaction with its surroundings. This paper focus on the numerical investigation of steel beams in structural frames connected to concrete filled tubular (CFT) columns through reverse channel connections and comparison to hand calculation procedures. Finite element models (FEM) of the sub-frames were validated against fire tests conducted on sub-frames and then their results were compared to the proposed simplified hand calculation procedures (HCM).

Place, publisher, year, edition, pages
2015. Vol. 6, no 2, p. 123-140, article id 4
National Category
Building Technologies
Research subject
Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-3501Local ID: 1552a0ec-5224-46c9-aaa9-beacebd0125eOAI: oai:DiVA.org:ltu-3501DiVA, id: diva2:976359
Note
Validerad; 2015; Nivå 1; 20150524 (naviqb)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-06-08Bibliographically approved

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Iqbal, NaveedHeistermann, TimVeljkovic, Milan

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