Non-invasive corrosion diagnosis of reinforced concrete structures: A sensitivity analysis using a multi-channel resistivity approach
Résumé
Non-Destructive Electrical Methods (NDEM) using a four-electrode configuration are being developed for the corrosion monitoring of reinforced structures without altering their integrity [1]. Indeed, unlike conventional techniques based on a three-electrode configuration that requires a connection to the rebar, the measurement is performed directly on the concrete surface: two probes A and B inject a direct current while two other probes Mn and Nn measure an induced potential difference. However, despite the practical relevance of NDEM, their use is still at the margin. To promote such
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