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Computers and Concrete Volume 20, Number 3, September 2017 , pages 291-295 DOI: https://doi.org/10.12989/cac.2017.20.3.291 |
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Numerical approach to fracture behavior of CFRP/concrete bonded interfaces |
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Hai X. Lin, Jian Y. Lu and Bing Xu
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| Abstract | ||
| Tests on the fracture behavior of CFRP-concrete composite bonded interfaces have been extensively carried out. In this study, a progressive damage model is employed to simulate the fracture behaviors. The crack nucleation, propagation and more other details can be captured by these models. The numerical results indicate the fracture patterns seem to depend on the relative magnitudes of the interface cohesive strength and concrete tensile strength. The fracture pattern transits from the predominated adhesive-concrete interface debonding to the dominated concrete cohesive cracking as the interface cohesive strength changes from lower than concrete tensile strength to higher than that. The numerical results have an agreement with the experimental results. | ||
| Key Words | ||
| fracture behavior; CFRP composite; concrete; damage | ||
| Address | ||
| Hai X. Lin, Jian Y. Lu and Bing Xu: College of Civil Engineering, Henan Polytechnic University, Jiaozuo City, Henan Province, 454000, People | ||