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This is a Quantitative Study study.

September 30, 2025BuildingsOpen Access

Effects of Stray Current on Chloride Ingress in Underground Reinforced Concrete Structures

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Numerical models reveal stray current accelerates chloride ingress in reinforced concrete, indicating significant corrosion concerns.

Stray current accelerates chloride ingress, increasing the risk of corrosion in underground concrete.
Results show that non-uniform electric fields cause 20–50% faster rebar depassivation than uniform fields.
Presence of cracks in concrete results in 2–5 times shorter depassivation times compared to intact structures.
A novel deterioration coefficient suggests a quadratic dependence on stray current voltage, enhancing durability assessment.

Cheng et al. (2025) studied this question.

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