Experimental and numerical investigation of alternative CFRP systems combining sheets and ropes for shear-flexural strengthening of T-beams

Violetta K. Kytinou

doi:10.1016/j.dibe.2026.101017

Experimental and numerical investigation of alternative CFRP systems combining sheets and ropes for shear-flexural strengthening of T-beams

2026-08-13

0

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AI

V

Violetta K. Kytinou

A

Adamantis G. Zapris

A

Arvydas Rimkus

A

Anastasios C. Mpalaskas

V

Viktor Gribniak *

DOI：10.1016/j.dibe.2026.101017

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• NSM CFRP ropes and anchored U-sheets suppressed brittle shear failure of T-beams. • Slab-anchored shear strengthening controlled cracks and enhanced ultimate resistance. • Hybrid CFRP systems enabled yielding and deformation-controlled behavior. • FE reference revealed efficiency gaps in anchored EBR configurations. • NSM rope systems demonstrated strong FE predictive fidelity and reliable resistance.

Keywords:

Reinforced concrete (RC)

T-beam

hybrid strengthening

carbon fiber-reinforced polymer (CFRP)

near-surface-mounted (NSM)

externally bonded reinforcement (EBR)

U-shaped shear reinforcement

Experimental and numerical investigation of alternative CFRP systems combining sheets and ropes for shear-flexural strengthening of T-beams

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