What question did this study set out to answer?

This research aims to evaluate the influence of circular openings on the performance of reinforced concrete beams.

July 2, 2026Journal of Structural Engineering

Post-Drilling Structural Damage Assessment in Existing Reinforced Concrete Beams: Experiment and Simulation

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This research aims to evaluate the influence of circular openings on the performance of reinforced concrete beams.
Tested flexural and shear behaviors of eight full-scale RC beams with circular openings
Analyzed the effects of top chord depth, stirrup status, and opening locations on load-bearing performance
Conducted numerical simulations to assess mechanical properties of RC beams
Flexural capacity was weakly affected by openings; however, failure modes changed significantly
Beam with a 100-mm top chord showed quasi-brittle bending failure
Presence of an opening in the shear span significantly reduced shear capacity

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Implication

Randomized trial investigates shear and flexural capacities of reinforced concrete beams with circular openings, indicating implications for construction practices.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6a45fef89ed134303130f9a3 https://doi.org/10.1061/jsendh.steng-15726

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Implication

Randomized trial investigates shear and flexural capacities of reinforced concrete beams with circular openings, indicating implications for construction practices.

Post-Drilling Structural Damage Assessment in Existing Reinforced Concrete Beams: Experiment and Simulation

Key Points

Discussion

Implication

Cite This Study

Post-Drilling Structural Damage Assessment in Existing Reinforced Concrete Beams: Experiment and Simulation

Key Points

Discussion

Implication

Cite This Study

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