Which risk increases when rebar is placed too close to the surface in a reinforced concrete pier?

💡 Explanation

Increased chloride induced corrosion is the outcome because reduced concrete cover allows easier access. The mechanism involved is the **diffusion** of chloride ions reacting with the steel. Therefore corrosion accelerates, rather than other effects, increasing structural weakness.

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• Which structural consequence occurs when chloride ions penetrate concrete and reach the embedded rebar?
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