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June 15, 2026StructuresOpen Access

Flexural behaviour of concrete slabs reinforced with thermoplastic FRP grids: A design-oriented experimental evaluation

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Randomized trial evaluates flexural behaviour in concrete slabs with thermoplastic FRP grids, suggesting improved design checks.

This research aims to evaluate the flexural behaviour of concrete slabs reinforced with thermoplastic FRP grids and its implications for design practices.
Eight one-way slabs tested under four-point bending with varying TP-FRP grid configurations.
Reinforcement ratios were varied to assess effects on stiffness and load-carrying capacity.
Evaluated predictive accuracy of CSA S806–12 and ACI 440.1R−15 for cracking and ultimate moments.
Cracking moments were over-predicted by CSA S806–12 and ACI 440.1R−15.
Ultimate moments had an average experimental-to-predicted ratio of approximately 0.95.
A tri-linear moment–curvature approach provided the best overall deflection prediction for the slabs.

Sabsabi et al. (2026) studied this question.

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