Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32107
Title: Fracture criterion for carbon fiber reinforced polymer sheet to concrete interface subjected to coupled pull-out and push-off actions
Authors: Dai, JG 
Wan, BL
Yokota, H
Ueda, T
Keywords: Fiber reinforced polymer
Concrete
Interface
Mode I
Mode II
Mixed-mode
Fracture criterion
Critical strain energy release rate
Issue Date: 2009
Publisher: Multi-Science
Source: Advances in structural engineering, 2009, v. 12, no. 5, p. 663-682 How to cite?
Journal: Advances in structural engineering 
Abstract: Flexural strengthening of reinforced concrete (RC) beams using externally bonded fiber reinforced polymer (FRP) sheet is a popular application nowadays. In this application, the FRP to concrete bond interface is typically exposed to a mixedmode loading condition at the vicinity of a critical flexural/shear crack, which includes a pull-out action parallel to the interface and introduced by the opening displacement of the flexural/shear crack together with a push-off action perpendicular to the interface and introduced by the shear sliding displacement of the flexural/shear crack. This paper presents an experimental program to evaluate the fracture properties of the FRP to concrete interface under the coupled pull-out (mode II) and push-off (mode I) loading condition. An analytical model was developed to evaluate the mode I and mode II strain energy release rates and the corresponding fracture mechanisms of the FRP to concrete interface under a pure bending action, a pure dowel action, and the coupled action of both, respectively. The reliability of the proposed analytical model was verified in comparison with the experimental results.
URI: http://hdl.handle.net/10397/32107
ISSN: 1369-4332
EISSN: 2048-4011
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