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Which consequence results when compressive cyclical stress weakens ionic bonds in concrete?

A)Accelerated chloride ion intrusion pathway
B)Reduced coefficient thermal expansion
C)Increased hydroxide catalytic activity
D)Unconstrained carbon fibre delamination rates

💡 Explanation

Cyclical stress ruptures weak areas ionic bonds, creating microcracks, thus triggering accelerated chloride attack, because the concrete's protective barrier is compromised. Therefore chloride ions permeate readily, rather than being blocked by intact cement matrix.

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