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Which failure accelerates when chloride ions breach concrete?

A)Reinforcement steel's yield strength decreases
B)Concrete experiences increased freeze-thaw spalling
C)Chloride-induced corrosion accelerates significantly
D)Concrete's compressive strength sharply declines

💡 Explanation

Chloride ions promote **pitting corrosion** in steel reinforcement inside concrete. This occurs because the chloride ions disrupt the passive layer, therefore highly-localized corrosion happens, rather than uniform loss of material typically

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