Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32742
Title: Bond-slip models for FRP sheets/plates bonded to concrete
Authors: Lu, XZ
Teng, JG 
Ye, LP
Jiang, JJ
Keywords: Bond
Bond strength
Bond-slip models
Composites
Concrete
Finite element simulation
FRP
Pull tests
Issue Date: 2005
Publisher: Pergamon Press
Source: Engineering structures, 2005, v. 27, no. 6, p. 920-937 How to cite?
Journal: Engineering structures 
Abstract: An accurate local bond-slip model is of fundamental importance in the modelling of FRP-strengthened RC structures. In this paper, a review of existing bond strength models and bond-slip models is first presented. These models are then assessed using the results of 253 pull tests on simple FRP-to-concrete bonded joints, leading to the conclusion that a more accurate model is required. In the second half of the paper, a set of three new bond-slip models of different levels of sophistication is proposed. A unique feature of the present work is that the new bond-slip models are not based on axial strain measurements on the FRP plate; instead, they are based on the predictions of a meso-scale finite element model, with appropriate adjustment to match their predictions with the experimental results for a few key parameters. Through comparisons with the large test database, all three bond-slip models are shown to provide accurate predictions of both the bond strength (i.e. ultimate load) and the strain distribution in the FRP plate.
URI: http://hdl.handle.net/10397/32742
ISSN: 0141-0296
EISSN: 1873-7323
DOI: 10.1016/j.engstruct.2005.01.014
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