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The effect of load induced thermal strain on flat slab behaviour at elevated 1 temperatures

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Al Hamd, Rwayda Kh. S. , Gillie, Martin, Warren, Holly, Torelli, Giacomo, Stratford, Tim and Wang, Yong (2018) The effect of load induced thermal strain on flat slab behaviour at elevated 1 temperatures. Fire Safety Journal, 97 . pp. 12-18. doi:10.1016/j.firesaf.2018.02.004 ISSN 0379-7112.

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Official URL: https://doi.org/10.1016/j.firesaf.2018.02.004

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Abstract

Several recent sets of experimental results on the punching shear behaviour of flat slabs in fire have produced apparently anomalous deflections results, where the slab deflections on heating are in the opposite direction to that expected if arising from free thermal expansion. Using numerical analysis, this paper shows that the results are explained by load-induced thermal strains (LITS). Using two independent modelling approaches, the profound effect of LITS on deflection behaviour is demonstrated. The findings have implications for the design of flat-slab structures to resist fire because ignoring LITS may result in non-conservative design predictions.

Item Type: Journal Article
Subjects: T Technology > TH Building construction
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Buildings, Reinforced concrete -- Fire testing, Office buildings -- Fire testing
Journal or Publication Title: Fire Safety Journal
Publisher: Pergamon
ISSN: 0379-7112
Official Date: April 2018
Dates:
DateEvent
April 2018Published
2 March 2018Available
21 February 2018Accepted
Volume: 97
Page Range: pp. 12-18
DOI: 10.1016/j.firesaf.2018.02.004
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 21 February 2018
Date of first compliant Open Access: 2 March 2019
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDHigher Committee for Education Development in Iraqhttps://viaf.org/viaf/42150030622310961773

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