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ISIS Innovator - (ISIS Newseltter), February, p. 1, 2004-02-01
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Fire performance of FRP strengthened structures
Green, M. F.; Kodur, V. K. R.; Bisby, L. A.; Williams, B. K.
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https://nrc-publications.canada.ca/eng/view/object/?id=2ea6cb93-8407-41e0-b3ee-1598fca8e717 https://publications-cnrc.canada.ca/fra/voir/objet/?id=2ea6cb93-8407-41e0-b3ee-1598fca8e717Fire performance of FRP strengthened structures
Green, M.F.; Kodur, V.R.; Bisby, L.A.;
Williams, B.K.
NRCC-46777
A version of this document is published in / Une version de ce document se trouve dans :
ISIS Innovator Newsletter, Feb. 2004, p. 1
NEWSLETTER OF ISIS CANADA RESEARCH NETWORK
F e b r u a r y 2 0 0 4
The Canadian Network of Centres of Excellence on Intelligent Sensing for Innovative Structures
S o l u t i o n - O r i e n t e d R e s e a r c h f o r t h e G l o b a l I n f r a s t r u c t u r e C r i s i s
I
SIS researchers at Queen's University and the Institute for Research in Construction at the National Research Council of Canada (NRC), in collaboration with industry partners (Fyfe Co. and Watson-Bowman Acme, a division of Degussa Construction Chemicals), are actively investigating the fire performance of concrete members strengthened with FRP sheets.The research involves extensive fire endurance experiments on full-scale FRP-strengthened concrete columns and beams, and associated numerical modelling. At this point in the research, fire endurance experiments on two circular concrete columns, wrapped with carbon FRP and insulated with an active/passive system that is patent pending by Fyfe Co. LLC, have been conducted. Figure 1 shows the strengthened and insulated column (400 mm diameter 3800 mm length) in the NRC column furnace before fire testing and immediately after the test.
These tests demonstrated that the specific system under investigation was able to achieve a 4-hour fire endurance rating, under load, according to guidelines set out in ASTM E119.
The FRP remained intact during the first 4 hours of the test. Figure 2 shows the measured temperatures in one of the tested columns.
The insulating system kept the average temperature of the FRP below 150 C for the first 4 hours of the experiment.
Over the next year, plans are in place to conduct a number of additional experiments on columns and beam-slab assemblies using either Tyfo Fibrwrap or WaboMBrace with appropriate insulating systems. For more information on this research program, please contact Dr. Mark Green at greenm@civil.queensu.ca or Dr. Venkatesh Kodur at Venkatesh.Kodur@nrc-cnrc.gc.ca. The contacts for the industrial partners are Ed Fyfe (Fyfe Co. LLC) at ed@fyfeco.com and Jim D e r r i g a n ( Wa t s o n - B o w m a n A c m e ) a t j i m . d e r r i g a n @ d eg u s s a . c o m .
L.A. Bisby
1& B.K. Williams
1Fire Performance of FRP Strengthened Structures
Figure 1 - before testing
Figure 1 - immediately after testing
Figure 2
