Finite-element Modeling of Reinforced Concrete Based on CT Image for Ultrasonic Wave Simulations

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Key Points

The aim is to develop a finite-element model of reinforced concrete using CT images to assess ultrasonic wave behavior.
Constructed a finite-element model based on CT data from reinforced concrete specimens.
Applied a multi-layer Otsu segmentation technique to distinguish between mortar, aggregate, rebar, and voids.
Conducted ultrasonic wave simulations to analyze signal reflections and scattering effects.
In the complex model, scattering from aggregates obscured the identification of rebar reflection signals.
In the simplified model, where aggregates were removed, rebar reflection signals were clearly observed.
The results indicate that complex internal structures lead to significant scattering, affecting signal interpretation.

Demonstrates ultrasonic wave simulation outcomes in reinforced concrete, suggesting that internal structures affect signal clarity.

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Kim et al. (2026) studied this question.

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