Thermal and mechanical properties of steel-fibre-reinforced concrete at elevated temperatures

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TypeArticle
Journal titleCanadian Journal of Civil Engineering
Volume23
Issue4
Pages511517; # of pages: 7
SubjectFibre-reinforced polymers (FRP)
AbstractFor use in fire resistance calculations, the relevant thermal and mechanical properties of steel-fibre-reinforcedconcrete at elevated temperatures were determined. These properties included the thermal conductivity, specific heat, thermal expansion, and massloss, as well as the strength and deformation properties of steel-fibre-reinforced siliceous and carbonate aggregate concretes. The thermal properties are presented in equations that express the values of these properties as a function of temperature in the temperature range between O°C and 1000°C. The mechanical properties are .given in the form of stress-strain relationships for the concretes at elevated temperatures. The results indicate that the steel fibres have little influence on the thermal properties of the concretes. The influence on the mechanical properties, however, is relatively greater than the influence on the thermal properties and is expected to be beneficial to the fire resistance of structural elements constructed of fibre-reinforced concrete.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number39025
5733
NPARC number20375362
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Record identifieref606aa9-5e57-479c-9382-1740107d8603
Record created2012-07-23
Record modified2016-05-09
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