Modelling the fire behaviour of FRP wrapped square reinforced concrete columns

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Conference9th Symposium of The International Association of Fire Safety Science, September 21-26 2008, Karlsruhe, Germany
Subjectfire endurance; modelling; heat transfer; FRP; concrete columns; structural response
AbstractNumerous applications of fibre-reinforced polymers (FRPs) have demonstrated good performance in retrofitting and repairing deteriorated reinforced concrete structures, both through research studies and through field applications. However, a paucity of available information on FRP strengthening systems at elevated temperatures, and the perceived susceptibility of these systems in fire, still discourages their use in many applications. As such, an experimental and analytical study is underway to study the fire behaviour of FRP strengthened square reinforced concrete columns. The ultimate goal of the study is to develop validated numerical models which can subsequently be used to suggest design guidelines for these types of structural members. This paper presents details of the numerical procedure used to develop a coupled heat transfer and structural analysis model for FRP strengthened square RC columns in fire. The paper also discusses the procedure to be used for upcoming fire endurance tests on two FRP-strengthened square concrete columns which will be performed in an attempt to validate the numerical models.
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NPARC number21274097
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Record identifierff6669f1-d414-4944-9cf4-5a91216d7543
Record created2015-02-13
Record modified2016-05-09
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