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Design of a continuous concrete filled steel tubular column in fire
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Ukanwa, Kingsley U., Clifton, G. Charles, Lim, James B.P., Hicks, Stephen J., Sharma, Umesh and Abu, Anthony (2018) Design of a continuous concrete filled steel tubular column in fire. Thin-Walled Structures, 131 . pp. 192-204. doi:10.1016/j.tws.2018.07.001 ISSN 0263-8231.
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Official URL: http://dx.doi.org/10.1016/j.tws.2018.07.001
Abstract
Concrete filled steel tubular (CFST) columns used in multi-storey buildings are generally designed as continuous members. The fire behaviour is predicted based on the results of experimental standard fire testing of CFST members where the same temperature is applied to the column over the full column height. Over the past 36 years, 238 experimental tests have been reported in the literature on CFST columns; different types of concrete infill have been considered: plain, steel fibre and bar reinforced concrete. In these tests, the columns were loaded axially under either concentric or eccentric load, and subjected to the standard ISO 834 fire or its equivalent in a furnace. This paper has focused on the in-depth analysis of behaviour of a continuous CFST columns in fire and provided a simple design procedure to calculate the axial capacity of the CFST columns at elevated temperature. The examples given in the later section gives a step by step design procedure for practicing engineers to calculate the axial capacity of both concentrically and eccentrically loaded CFST columns in fire.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Thin-Walled Structures | ||||||||
Publisher: | Elsevier Science Ltd. | ||||||||
ISSN: | 0263-8231 | ||||||||
Official Date: | October 2018 | ||||||||
Dates: |
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Volume: | 131 | ||||||||
Page Range: | pp. 192-204 | ||||||||
DOI: | 10.1016/j.tws.2018.07.001 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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