Polymers 2014, 6(2), 408-422; doi:10.3390/polym6020408
Numerical Study of FRP Reinforced Concrete Slabs at Elevated Temperature
Civil Engineering Department, Queen's University, Kingston, K7L 3N6, Canada
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Received: 2 January 2014 / Revised: 6 February 2014 / Accepted: 7 February 2014 / Published: 10 February 2014
(This article belongs to the Special Issue Selected Papers from "SMAR 2013")
Abstract
One-way glass fibre reinforced polymer (GFRP) reinforced concrete slabs at elevated temperatures are investigated through numerical modeling. Serviceability and strength requirements of ACI-440.1R are considered for the design of the slabs. Diagrams to determine fire endurance of slabs by employing “strength domain” failure criterion are presented. Comparisons between the existing “temperature domain” method with the more representative “strength domain” method show that the “temperature domain” method is conservative. Additionally, a method to increase the fire endurance of slabs by placing FRP reinforcement in two layers is investigated numerically. The amount of fire endurance gained by placing FRP in two layers increases as the thickness of slab increases. View Full-TextKeywords:
FRP; reinforcement; concrete slabs; fire resistance; numerical model; multilayer reinforcement
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Adelzadeh, M.; Hajiloo, H.; Green, M.F. Numerical Study of FRP Reinforced Concrete Slabs at Elevated Temperature. Polymers 2014, 6, 408-422.
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