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Project Leader
Noureddine Bénichou
Phone: 613-993-7229
Fax: 613-954-0483
Email: Noureddine.Benichou@nrc-cnrc.gc.ca
Fire Resistance of Fibre-Reinforced Polymer (FRP) Systems - Phase II
Objective
To develop fire-resistance models and design guidelines for FRP systems
Background
Fibre-reinforced polymers, which are strong, lightweight and non-corrosive, are rapidly becoming a viable option for repairing or replacing deteriorating concrete members. Until now FRPs have been used mainly in bridges, but there would be enormous potential for their use in multi-storey buildings, parking garages and industrial structures if we had better knowledge of their fire resistance properties. Phase I of this project (2002 - 2007) undertook fire-resistance experiments on columns, slabs, and beam-slab assemblies, and developed preliminary numerical models and preliminary design guidelines.
Progress to Date
- Conducted fire-resistance experiments on one circular column, and on 2 slabs strengthened with FRP wraps and insulated with a specially designed fire-protection system.
- Conducted tests to characterize the mechanical properties of FRP materials at elevated temperatures.
Work Remaining
- Conduct fire-resistance experiments on circular and rectangular columns, and on beam-slab assemblies strengthened with FRP wraps and insulated with a specially designed fire-protection system.
- Conduct fire-resistance experiments on concrete members (beams and slabs) strengthened with near-surface mounted (NSM) FRP reinforcement.
- Develop computer models for predicting fire performance of FRP-reinforced concrete columns and beams, and NSM-reinforced concrete beams and slabs.
- Develop design guidelines for evaluating the fire resistance of FRP-reinforced and NSM-reinforced concrete members exposed to fires.
Expected Outcomes
- Data on the behaviour and performance of FRP-reinforced and NSM-reinforced concrete members exposed to fires.
- Development and validation of numerical models that can predict the thermal and structural behaviour in fires
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Fire-resistance design guidelines for FRP-strengthened and NSM-reinforced concrete structural members.
Partners
Members of the Intelligent Sensing for Innovative Structures Network (ISIS Canada) at Queen's University and Sika Canada Inc. Other industry partners are being sought.
Start/Expected Completion Dates
The project began in 2007 and is expected to be completed in 2012.
Publications
Fire resistance of FRP strengthened concrete columns
Green, M.F. Chowdhury, E.U. Eedson, R. Bisby, L.A. Bénichou, N. Kodur, V.K.R.
Conference and Workshops of the ISIS Canada Network Association (Toronto, ON, 2009-05-07)
pp. 1-2.
[Full citation / Référence complète]
