Estudo Experimental De Sistema De Ancoragem Por Cordão De Fibras De Carbono Em Vigas Reforçadas À Flexão Com PRFC

Estudo numérico de vigas em concreto armado reforçadas ao cisalhamento com PRFC

“…To prove the efficiency of the model, an experimental study conducted by Menon (2008) was added. Although the study by Menon (2008) is not identical, it has similar properties to the bar of Risson (2016), which justifies its analysis. With an experimentally determined ultimate load of 85.31 kN and 87.25 kN numerically determined by Risson (2016), the relative error was 2.27 %, which is considered satisfactory.…”

“…Although the study by Menon (2008) is not identical, it has similar properties to the bar of Risson (2016), which justifies its analysis. With an experimentally determined ultimate load of 85.31 kN and 87.25 kN numerically determined by Risson (2016), the relative error was 2.27 %, which is considered satisfactory. The load-displacement curve of the VCR beam (FEM) showed a similar stiffness to the experimental beam of Menon (2008).…”

“…The load-displacement curve of the VCR beam (FEM) showed a similar stiffness to the experimental beam of Menon (2008). The deviation in the peak load is due to the difference between the compressive strength of the concrete, as in the work of Risson (2016) this resistance is 37.6 MPa, while in the work of Menon (2008) it is 31.2 MPa. The graphical results show that the three curves have a similar initial stiffness but a slightly different final stiffness.…”

“…The experiment used in the simulations was tested by Risson (2016) strength of the concrete after 28 days (𝑓 𝑐 ′ ) is 37.6 MPa. To estimate the value of the tensile strength of the material, the equation of Genikomsou and Polak (2015) (𝑓 𝑡 = 0,33√𝑓 𝑐 ′ ) was used and 1.98 MPa was obtained.…”

“…The system consisted of U-shaped bonded CFRP plates in critical shear regions. The analyzes were performed using ABAQUS 6.12 software based on the experiments conducted by Risson (2016).…”