What question did this study set out to answer?

This study aims to evaluate how different concrete types and bonding techniques affect the flexural behavior of continuous beams strengthened with precast plates.

July 22, 2026FibersOpen Access

An Experimental Study of the Flexural Behavior of Continuous RC Beams Strengthened with Plates of Different Concrete Types, Dimensions and Bonding Techniques

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Authors

AHAhid Zuhair HamoodiUniversity of Basrah ZAZaid Ali Kadhim AlZaidiMoscow State University of Civil Engineering MZMustafa Shareef ZewairUniversity of Basrah

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Implication

Experimental study investigates flexural strength in continuous beams with various strengthening methods, showing significant improvements.

Key Points

This study aims to evaluate how different concrete types and bonding techniques affect the flexural behavior of continuous beams strengthened with precast plates.
Ten concrete beams tested under four-point loads, including one control sample and nine strengthened beams.
Variables included plate thickness, bonding methods (epoxy/mechanical), and concrete types (UHPC, SFRC, SIFCON).
Failure modes, load-deflection curves, stiffness, and ductility were analyzed.
Strengthened beams showed improved flexural strength by 15.7% to 53% and stiffness by 15% to 173.8%.
Mechanical bonding outperformed epoxy bonding, improving flexural strength by 5.7%.
SIFCON plates provided superior strength compared to UHPC and SFRC plates, while high steel fiber content in SFRC caused cracking.

Cite This Study

Hamoodi et al. (2026) studied this question.

synapsesocial.com/papers/6a605dfa4163e025518d7e89 https://doi.org/10.3390/fib14070088

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Implication

Experimental study investigates flexural strength in continuous beams with various strengthening methods, showing significant improvements.

An Experimental Study of the Flexural Behavior of Continuous RC Beams Strengthened with Plates of Different Concrete Types, Dimensions and Bonding Techniques

Discussion

Member takes

Implication

Key Points

Cite This Study

An Experimental Study of the Flexural Behavior of Continuous RC Beams Strengthened with Plates of Different Concrete Types, Dimensions and Bonding Techniques

Discussion

Member takes

Implication

Key Points

Cite This Study

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