Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses

Due to inadequacies of reinforcement design in older structures and changes building codes, but also the change use existing structures, reinforced concrete (RC) beams often require upgrading during renovation. The combined shear flexural strengthening with composite materials, fibre-reinforced polymer sheets (FRP) textile mortars (TRM), is assessed this study. An experimental campaign on twelve half-scale retrofitted RC presented, looking at various parameters interest, including effect steel ratio retrofit effectiveness, amount material used for span, as well difference effectiveness FRP TRM beams. Significant effects capacity are observed all studied parameters. study a basis developing detailed finite element (FE) model strengthened FRP. results FE compared parametric further investigated effectiveness.