Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7934
Title: Bond-slip model for CFRP strips near-surface mounted to concrete
Authors: Zhang, SS
Teng, JG 
Yu, T
Keywords: Bond-slip model
Finite element method (FEM)
FRP strips
Near surface mounted (NSM) FRP
Issue Date: 2013
Publisher: Pergamon Press
Source: Engineering structures, 2013, v. 56, p. 945-953 How to cite?
Journal: Engineering structures 
Abstract: A relatively recent method for the strengthening of concrete structures involves the embedding of fiber reinforced polymer (FRP) bars/strips into pre-cut, adhesive-filled grooves in the cover concrete. This paper presents a finite element (FE) study into the bond behavior of NSM CFRP strip-to-concrete bonded joints using a three-dimensional (3-D) meso-scale FE model developed by the authors. The effects of various parameters on the bond behavior of NSM CFRP strips are first clarified with the assistance of FE results, leading to the identification of the groove height-to-width ratio and the concrete strength as the two important parameters for the bond behavior. Based on the results of a FE parametric study on the effects of these two parameters, an analytical bond-slip model is proposed.
URI: http://hdl.handle.net/10397/7934
ISSN: 0141-0296
EISSN: 1873-7323
DOI: 10.1016/j.engstruct.2013.05.032
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