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Title: Finite element analysis of intermediate crack-induced debonding in FRP strengthened RC beams
Authors: Lu, XZ
Teng, JG 
Ye, LP
Jiang, JJ
Keywords: Debonding
Finite element analysis
Interfacial bond
Load capacity
RC beam
Issue Date: 2006
Publisher: 中國力學學會<工程力學>期刊社
Source: 工程力学 (Engineering mechanics), 2006, v. 23, no. 6, p. 85-93 How to cite?
Journal: 工程力学 (Engineering mechanics) 
Abstract: A finite element (FE) model to simulate the intermediate crack (IC) debonding of RC beams flexually strengthened with externally bonded FRP plates is presented. A dual debonding criterion is proposed so that IC debonding can be predicted with the common smeared crack approach for concrete. Based on meso-scale FE results, proper bond-slip models for the interface between FRP and concrete are subsequently proposed. The FE model is implemented into the FE package MSC.MARC. Through comparisons with the experimental results of 45 beams, the proposed method is shown to provide accurate predictions of IC debonding failures.
ISSN: 1000-4750
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