The effect of debonding on the flexural behaviour of reinforced concrete beams strengthened with fibre reinforced polymer

Karunasena, Warna (Karu) and Martin, Nicole (2007) The effect of debonding on the flexural behaviour of reinforced concrete beams strengthened with fibre reinforced polymer. In: 5th Australasian Congress on Applied Mechanics (ACAM 2007), 10-12 Dec 2007, Brisbane, Australia.

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Official URL: http://search.informit.com.au/documentSummary;dn=220980760145283;res=IELENG

Abstract

In recent years, the use of fibre reinforced polymer (FRP) as a means of rehabilitating or strengthening reinforced concrete (RC) beams has generated much interest in the construction industry. The most popular means of utilising FRP for this purpose involves externally bonding the FRP strip to the extreme tensile fibres of the beam. In previous work, predictions on the behaviour of a beam undergoing debonding have been made utilising experimental FRP strain data to account for the strain incompatibility at the debonded zone. In this paper, previous work has been extended such that strain incompatibility is taken into account through a simple theoretical development to the simple beam theory rather than using experimental measurements of FRP strain data. The model has been verified and used to study the effect of debond length on the flexural behaviour of the beam.

Item Type:	Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Additional Information:	Publisher does not formally support archiving.
Uncontrolled Keywords:	debonding; fibre reinforced polymer; flexural behaviour; load-deflection relation; moment-curvature relation; reinforced concrete beams
Fields of Research (FOR2008):	09 Engineering > 0905 Civil Engineering > 090506 Structural Engineering 09 Engineering > 0905 Civil Engineering > 090503 Construction Materials 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
Subjects:	290000 Engineering and Technology 290000 Engineering and Technology > 290800 Civil Engineering 290000 Engineering and Technology > 290800 Civil Engineering > 290801 Structural Engineering
Socio-Economic Objective (SEO2008):	B Ecomonic Development > 87 Construction > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials
ID Code:	4032
Deposited By:	Assoc Prof Karu Karunasena
Deposited On:	02 Apr 2008 14:37
Last Modified:	29 Apr 2013 12:30

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