What question did this study set out to answer?

To investigate the flexural behavior of reinforced concrete slabs strengthened with BFRP and ECC composites.

May 15, 2026MaterialsOpen Access

Flexural Behavior of Reinforced Concrete Two-Way Slabs Strengthened with Basalt Fiber-Reinforced Polymer Grid and Engineered Cementitious Composite

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Randomized trial evaluates flexural behavior enhancement in reinforced concrete slabs, suggesting effective strengthening methods.

To investigate the flexural behavior of reinforced concrete slabs strengthened with BFRP and ECC composites.
Tested five strengthened slabs and one reference slab under biaxial bending moments.
Analyzed thickness variations of ECC (15, 25, 35 mm) and BFRP grid (1, 2, 3 mm) as main variables.
Developed a theoretical model to predict bearing capacity based on yield line distribution.
Strengthened slabs exhibited significantly improved cracking patterns and ultimate load capacity.
Increased thickness of BFRP and ECC resulted in enhanced flexural capacity and stiffness, as well as reduced maximum deflection.
The theoretical model predictions closely matched with experimental results, validating the methods employed.

Xue et al. (2026) studied this question.

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