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The aim is to assess how web openings affect the behavior of CFRP-strengthened deep beams in shear spans.

February 19, 2026Scientific ReportsOpen Access

Parametric study on the behavior of CFRP-strengthened reinforced concrete deep beams with cut circular web openings in shear spans

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The aim is to assess how web openings affect the behavior of CFRP-strengthened deep beams in shear spans.
Modeled three specimens using ABAQUS software.
Conducted a parametric study with varying opening diameters.
Validated numerical results against experimental data.
Increasing opening diameter reduced load capacity by 56%.
Energy absorption decreased by 87% for large openings.
1.8 mm CFRP laminates provided limited performance improvement.

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Parametric study evaluates shear capacity in CFRP-strengthened deep beams, indicating structural performance implications.

Eren Yagmur (2026) studied this question.

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