What question did this study set out to answer?

This study aims to evaluate the effectiveness of unbonded CFRP straps for rapidly strengthening short-span reinforced concrete bridges.

June 4, 2026Journal of Composites for Construction0 citations

Rapid Strengthening of Short-Span Reinforced Concrete T-Beams with CFRP Straps

Rapid Strengthening of Short-Span Reinforced Concrete T-Beams with Unbonded Carbon Fiber–Reinforced Polymer Straps

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Authors

RPRenée-Anne Paquet MDMarc-André Dagenais GWGordon Wight

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Overview

Randomized trial evaluates rapid strengthening of short-span concrete T-beams using CFRP straps, suggesting practical applications for urgent repairs.

Key Points

This study aims to evaluate the effectiveness of unbonded CFRP straps for rapidly strengthening short-span reinforced concrete bridges.
Conducted an experimental program on six 6-m-long T-beams, including two control and four strengthened beams.
Implemented single and double layers of CFRP straps with a mechanical anchorage system.
Developed a numerical model to assess the load-deflection response of strengthened beams.
Strength increases of up to 22% for beams strengthened with a two-layer CFRP configuration.
Reduced deflections at high load levels and delayed crack formation observed.
Post-test analysis indicated significant additional tensile forces in CFRP straps during loading.

Cite This Study

Paquet et al. (2026) studied this question.

synapsesocial.com/papers/6a211611d499ed480b16f2a5 https://doi.org/10.1061/jccof2.cceng-5396

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June 4, 2026Journal of Composites for Construction0 citations

Rapid Strengthening of Short-Span Reinforced Concrete T-Beams with CFRP Straps

Rapid Strengthening of Short-Span Reinforced Concrete T-Beams with Unbonded Carbon Fiber–Reinforced Polymer Straps

View Full Paper

Ask AI

Bookmark

Authors

RPRenée-Anne Paquet MDMarc-André Dagenais GWGordon Wight

Discussion

Member takes

Overview

Randomized trial evaluates rapid strengthening of short-span concrete T-beams using CFRP straps, suggesting practical applications for urgent repairs.

Key Points

This study aims to evaluate the effectiveness of unbonded CFRP straps for rapidly strengthening short-span reinforced concrete bridges.
Conducted an experimental program on six 6-m-long T-beams, including two control and four strengthened beams.
Implemented single and double layers of CFRP straps with a mechanical anchorage system.
Developed a numerical model to assess the load-deflection response of strengthened beams.
Strength increases of up to 22% for beams strengthened with a two-layer CFRP configuration.
Reduced deflections at high load levels and delayed crack formation observed.
Post-test analysis indicated significant additional tensile forces in CFRP straps during loading.

Cite This Study

Paquet et al. (2026) studied this question.

synapsesocial.com/papers/6a211611d499ed480b16f2a5 https://doi.org/10.1061/jccof2.cceng-5396

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