5 years of in situ reinforcement corrosion monitoring in the splash and submerged zone of a cracked concrete element
Peer reviewed, Journal article
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Original versionConstruction and Building Materials. 2021, 285 . 10.1016/j.conbuildmat.2021.122923
Results of more than 5 years of in situ reinforcement corrosion monitoring are presented including continuous measurements of concrete resistivity, temperature, and open circuit corrosion potential measurements. Depth dependent resistivity and temperature measurements were obtained by means of multi-ring electrodes, while so-called instrumented rebars were used for location- and time-dependent open circuit corrosion potential measurements. The presented results highlight the complex interaction between mass transport, fracture, exposure, and electrochemistry and underline the importance of in situ measurements, which are imperative for model testing to enable accurate and reliable long-term performance predictions of reinforced concrete structures.