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← TechnologyWhich consequence results when sustained chloride exposure undermines cohesion?
A)Rebar corrosion accelerates rapidly locally✓
B)Concrete compressive strength transiently increases
C)Shear capacity sees marginal increase
D)The alkalinity buffers acidification effects
💡 Explanation
Chloride exposure causes the *de-passivation* of rebar because it allows oxidation to proceed rapidly; therefore rebar corrodes more locally and quickly. This occurs due to ionic interactions with the steel surface, rather than affecting surrounding concretes alkalinity or short-term strength capacities.
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