Effect of strength and fiber reinforcement on fire resistance of high-strength concrete columns

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DOIResolve DOI: http://doi.org/10.1061/(ASCE)0733-9445(2003)129:2(253)
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TypeArticle
Journal titleJournal of Structural Engineering
Volume129
IssueFeb 2
Pages253259; # of pages: 7
Subjectfire resistance, high strength concrete, high temperature behaviour, reinforced concrete columns, spalling; High performance / High strength concrete; Concrete columns
AbstractIn this paper, results from fire resistance experiments on five types of reinforced concrete columns are presented. The variables considered in the study include concrete strength (NSC and HSC), aggregate type (siliceous and carbonate aggregate), and fiber reinforcement (steel and polypropylene fibers). Data from the study is used to determine the structural behaviour of HSC columns at elevated temperatures. A comparison is made of the fire resistance performance of HSC columns with that of normal strength concrete (NSC) and fiber-reinforced HSC columns. The factors that influence the thermal and structural behaviour of HSC concrete columns under fire conditions are discussed. The results show that the fire resistance of a NSC column is higher than that of a HSC column. Also, the addition of polypropylene fibers and the use of carbonate aggregate improve fire resistance.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number45005
14155
NPARC number20378753
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Record identifiere75a0c1e-e724-4d2f-aad3-fae28adc8702
Record created2012-07-24
Record modified2016-05-09
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