Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26759
Title: Behaviour of GFRP-strengthened RC cantilever slabs
Authors: Teng, JG 
Cao, SY
Lam, L
Issue Date: 2001
Source: Construction and building materials, 2001, v. 15, no. 7, p. 339-349
Abstract: This paper presents an experimental study on reinforced concrete (RC) cantilever slabs bonded with glass fibre-reinforced polymer (GFRP) strips. Ten tests in three series were conducted on such slabs with different amounts of internal steel reinforcement and external FRP reinforcement. All FRP-strengthened test slabs were found to experience debonding of FRP strips from the slab, which started near the fixed end and propagated towards the free end, with the final failure mode being either complete debonding or FRP tensile rupture. The severity or likelihood of debonding is shown to depend on the thickness and width of the bonded FRP strips. It is further shown that debonding in these slabs does not have a serious detrimental effect on the ultimate strength, particularly when the FRP reinforcement ratio is low. Instead, it leads to a more ductile behaviour.
Keywords: Cantilever slab
Debonding
FRP
RC slab
Retrofitting
Strengthening
Publisher: Elsevier
Journal: Construction and building materials 
ISSN: 0950-0618
DOI: 10.1016/S0950-0618(01)00016-2
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