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This research aims to evaluate a novel strengthening method for reinforced concrete beams using CFRP ropes and geopolymer overlays.

Shear–Flexure Integrated Strengthening of RC Beams with Near-Surface Mounted Carbon Fiber-Reinforced Polymer (CFRP) Ropes and Geopolymer Overlays

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This research aims to evaluate a novel strengthening method for reinforced concrete beams using CFRP ropes and geopolymer overlays.
Conducted monotonic three-point bending tests on two RC beam specimens (one control, one strengthened)
Measured load-deflection behavior, stiffness, ductility, and energy absorption during testing
Developed a nonlinear finite element model using ATENA software to interpret experimental findings.
Strengthened beam showed a 28.6% increase in ultimate load compared to control
Stiffness improved by 13.6% in the strengthened specimen
Energy absorption capacity increased by 7.65% relative to the control beam.

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Experimental study demonstrates improved shear-flexural performance in reinforced concrete beams, suggesting a sustainable strengthening approach.

Sudibyo et al. (2026) studied this question.

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Experimental study demonstrates improved shear-flexural performance in reinforced concrete beams, suggesting a sustainable strengthening approach.