Engineering geometrically bi-linear columns to deliver fire resistance: standard heating

Law, Angus, Kotsovinos, Panagiotis and Butterworth, Neal (2015) Engineering geometrically bi-linear columns to deliver fire resistance: standard heating. Engineering Structures, 100 590-598. doi:10.1016/j.engstruct.2015.06.046


Author Law, Angus
Kotsovinos, Panagiotis
Butterworth, Neal
Title Engineering geometrically bi-linear columns to deliver fire resistance: standard heating
Journal name Engineering Structures   Check publisher's open access policy
ISSN 1873-7323
0141-0296
Publication date 2015-10-01
Sub-type Article (original research)
DOI 10.1016/j.engstruct.2015.06.046
Open Access Status Not yet assessed
Volume 100
Start page 590
End page 598
Total pages 9
Place of publication Kidlington, Oxford, United Kingdom
Publisher Elsevier
Collection year 2016
Language eng
Abstract This paper demonstrates the need for structural fire engineering in the design and specification of unusual structural arrangements. It is found that the required fire resistance of a structure cannot necessarily be achieved by considering only the fire resistance of individual elements of structure. A case study of columns that have a change of direction over their height (geometrically bi-linear columns) is used to illustrate how unusual arrangements may lead to early failure of key structural elements - even where design guidance is followed. These arrangements are parameterised to allow the relative importance of a number of key variables to be studied. A methodology is developed to estimate the required limiting temperature for the governing elements of the assembly in order to deliver the required performance.
Keyword Composite beam
Design
Finite element
Structural fire resistance
Weak beam
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2016 Collection
 
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