Finite-element modeling of intermediate crack debonding in FRP-plated RC beams
By Guangming Chen, Jin-Guang Teng, Jian fei Chen. 2011
159 citations recorded by the source corpus.
Intermediate crack-induced debonding (IC debonding) is a common failure mode of RC beams strengthened with externally bonded fiber-reinforced polymer (FRP) reinforcement. Although extensive research has been carried out on IC debonding, much work is still needed to develop a better understanding of the failure mode and a more reliable strength model. This paper presents an advanced finite-element (FE) model on the basis of the smeared-crack approach for predicting IC debonding failure. Existing FE models of the same type are generally deficient in capturing localized cracks (both their pattern and widths). This deficiency is overcome in the proposed FE model through the accurate modeling of interfaces between the concrete and both the internal steel and the external FRP reinforcements. The capability and accuracy of the proposed model are demonstrated through comparisons of its predictions with selected test results. The importance of accurate modeling of localized cracking is also explained using numeric...
Subfields: Building and Construction, Civil and Structural Engineering
View Paper: https://www.semanticscholar.org/paper/277474fa0d3e5de7e2ab4dcbf4742ce8a70ff40a
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Citations in the corpus
- Concrete Damage Plasticity Model for Modeling FRP-to-Concrete Bond Behavior (2015, methodology): “Chen et al. (2011) adopted the classical elastic damage model to describe the tensile behavior of concrete in the modeling of FRP strengthened reinforced concrete (RC) beams, assuming that there is no plastic strain ( 0p ) throughout the post-cracking range so the unloading paths of the…”
- Finite element modeling of reinforced concrete beams exposed to fire (2013, unknown): “The definition of damage variables is important in modeling shear failures in RC beams as the shear retention factor is dependent upon the damage variables [41].”