What question did this study set out to answer?

This research aims to calibrate the integrated use of GPR and ERT for assessing reinforced concrete under controlled deterioration conditions.

July 21, 2026NDTOpen Access

Laboratory Calibration of an Integrated GPR–ERT Framework for Reinforced Concrete Assessment: Controlled Deterioration States, Depth-Preferential Corrosion Signatures, and Ground-Truth Validation

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Authors

MOMuftah Abu ObaidaUniversity of Strathclyde PSPhilippe SentenacUniversity of Strathclyde

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Implication

Laboratory calibration demonstrates integrated GPR and ERT effectively assess corrosion in reinforced concrete, indicating improved diagnostic capability.

Key Points

This research aims to calibrate the integrated use of GPR and ERT for assessing reinforced concrete under controlled deterioration conditions.
A single reinforced concrete beam was subjected to four controlled deterioration states.
GPR and ERT measurements were conducted across distinct deterioration models.
Joint signature analysis was performed to identify unique resistance and GPR response patterns.
Model A showed high resistivity with clear rebar signatures, while Model B demonstrated a low resistivity anomaly indicating water-filled cracks.
Models C and D differed in depth-preferential signatures; Model D indicated active corrosion with specific ERT textures compared to Model C's saturation profile.
The study establishes that the combination of GPR and ERT can classify bridge states more reliably than either method alone.

Cite This Study

Obaida et al. (2026) studied this question.

synapsesocial.com/papers/6a5f0bc586a4235cc161964d https://doi.org/10.3390/ndt4030021

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Implication

Laboratory calibration demonstrates integrated GPR and ERT effectively assess corrosion in reinforced concrete, indicating improved diagnostic capability.

Laboratory Calibration of an Integrated GPR–ERT Framework for Reinforced Concrete Assessment: Controlled Deterioration States, Depth-Preferential Corrosion Signatures, and Ground-Truth Validation

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Cite This Study

Laboratory Calibration of an Integrated GPR–ERT Framework for Reinforced Concrete Assessment: Controlled Deterioration States, Depth-Preferential Corrosion Signatures, and Ground-Truth Validation

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