Further Studies of the Fire Resistance of Reinforced Concrete Columns

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TypeArticle
Journal titleTechnical Paper, Division of Building Research, National Research Council Canada
Issue416
Pages25
Subjectfire resistance; reinforced concrete; fire loads; ventilation; Concrete columns; resistance au feu; beton arme; charge d'incendie; ventilation
AbstractThe fire resistance of square, reinforced concrete columns is studied under load and fire conditions that more closely represent actual conditions than those in current standard fire tests. Based on calculated temperature and stress distributions in the column, the effect of interaction of an interior column with the surrounding building structure is examined. The influence of fire severity, which depends on the fire load and ventilation, is also investigated. Results indicate that restraint of an individual column does not decrease its fire resistance and that the critical fire load, below which no failure takes place, increases with increased ventilation. If the fire load is greater than critical, the time to failure decreases considerably with increased ventilation.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-TP-416
NRC number14047
4127
NPARC number20358991
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Record identifiera1bbe200-3426-4b88-8a0e-82132a642669
Record created2012-07-20
Record modified2016-05-09
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