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Which outcome weakens structural integrity when chloride ions permeate reinforced concrete foundations?

A)Corrosion initiating on the rebar
B)Accelerated carbonation of concrete
C)Sulfate attack of the cement
D)Alkali-silica reaction occurrence

💡 Explanation

Chloride ions in concrete lead to rebar corrosion because they disrupt the passive protective oxide layer through **localized corrosion**, therefore steel oxidation occurs rather than maintaining protection because the iron ions form soluble compounds.

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