Strength Capacity Cracks Propagations Deflection and Tensile Enhancement of Reinforced Concrete Beams Warped by Glass Fiber Reinforced Polymer Strips

Different approaches were adapted to strength the structural elements increase load capacity and reduce deformation such as deflection. The easiest light external strengthening of reinforced concrete members are Fiber Reinforced Polymer (FRP) family Armed, Carbon, Glass Basalt, respectively. This paper presents theoretical approach check out experimental tests beams strengthened by glass fiber polymer (GFRP) using finite method ANSYS software in which all models simulate tested beams.  All have same geometry mechanical properties but differ GFRP layers width. main objectives present work evaluating capacity, cracks propagations, deflection tensile enhancement warped strips subject four points static load. Analysisof  results indicate that presences sheets enhance ductility additional delay post crack concrete. formation first crack, number ultimate loads compared with control model. There improvements flexural based on modulus rupture. Also, propogation become less case presence there is resistance due flexural. Analysis results inicated at bottom face beam two gave 104.3% reduction for 10.84%. Factor rupture range between (0.76-1.36) more than ACI code suggested 0.6. model close tests.