Effect of CFRP Bar Diameter and Concrete Strength on Shear Performance of ETS-Strengthened RC Beams with Recycled Plastic Aggregate: Validation and Parametric Study Using Abaqus
Experimental study evaluates shear performance in sustainable reinforced concrete beams, suggesting optimal configurations for CFRP bars and concrete strength.
Key Points
Increasing CFRP bar diameter boosts shear capacity by up to 28%.
Concrete strength from 30 MPa to 50 MPa improved stiffness by about 22%, but reduced aggregate interlock.
ETS technique yields optimal shear resistance at a 45° CFRP bar angle near beam edges.
Validated ABAQUS models ensure reliability in predicting shear behavior and load-deflection response.