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- W3096207923 abstract "This study represents the behavior of reinforced concrete cantilever slabs repaired and strengthened using GFRP experimentally; then a 3D finite element model using “ANSYS” was constructed to test the validity of analytical models in capturing the experimental cases. Additionally, the experimental results are compared with theoretical calculations per the ACI and ECP codes to test the validity of codes equations. Finally, more numerically models are applied to review the effect of various parameters on the behavior of cantilever slabs strengthened with GFRP. Also, the theoretical calculations consistent with the ACI and ECP codes are compared with numerical results obtained using the ANSYS finite element program for parametric study. The using GFRP as a top mesh on cantilever slabs increased the strength and therefore the deflection of the cantilever was increased due to the more additional load that resisted by Fibers. The strengthened slabs were provided more ductility, more strength capacity and higher deflection than the repaired slabs. The slabs strengthened/repaired with GFRP Wraps additionally to glass anchors get more strength capacity than slabs strengthened/repaired with GFRP Wraps only. For (ACI) and (ECP) codes the identical in predicting the share of flexure strength increasing but need adding amplification factor about 1.25. (ACI) and (ECP) codes do not capture the effect the FRP anchors in flexure strength increasing, but it can be reached that these needs adding amplification factor about 1.12 above the case of strengthening without anchors. An analytical model using ANSYS software program can present a good simulation for the failure loading, deflections and debonding of fiber for the cases of strengthening and repairing. This encourages continuing the parametric study. From the parametric study, it can reach that the greater the cantilever length, the more the deflection but the lower the load carrying capacity although of the more the use of fiber glass in strengthening. The greater the thickness of the strengthening cantilever slab, the lesser the deflection value but the more the load carrying capacity." @default.
- W3096207923 created "2020-11-09" @default.
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- W3096207923 date "2020-12-01" @default.
- W3096207923 modified "2023-10-17" @default.
- W3096207923 title "Repairing and strengthening of reinforced concrete cantilever slabs using Glass Fiber–Reinforced Polymer (GFRP) wraps" @default.
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- W3096207923 doi "https://doi.org/10.1016/j.istruc.2020.10.053" @default.
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