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Title |
Analytical Approach to Evaluate the Nonlinear Beahviors of One-way Concrete Slab Reinforced with CFRP Grid Reinforcements
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Authors |
천주현(Ju-Hyun Cheon) ; 김경민(Kyung-Min Kim) ; 신현목(Hyun-Mock Shin) |
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DOI |
https://doi.org/10.11112/jksmi.2021.25.6.218 |
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Abstract |
The purpose of this study is to present a rational analytical method for predicting the behavioral characteristics from crack occurrence to fracture for a one-way CFRP grid reinforced concrete slab specimen. A total of four specimens were selected by Zhang et al.(2004) as the main experimental variables for CFRP grid amount, material properties and loading method. Analysis was performed through the Nonlinear Finite Element analysis program(RCAHEST), which applied the newly modified constitutive relational equations by the author. The mean and coefficient of variation for maximum moment from the experiment and analysis results was predicted 1.38 and 7 %. The mean and coefficient of variation for displacement corresponding maximum moment from the experiment and analysis results was predicted 1.41and 9.8 %. The prediction results for the behavioral characteristics from crack occurrence to fracture were verified and evaluated. It is judged that additional research is needed to secure various experimental results and to develop a more reliable analytical method.
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