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← TechnologyWhich risk increases when concrete sets too rapidly around high-yield reinforcing bars?
A)Reduced bond strength near the surface✓
B)Increased risk of corrosion exposure
C)Reduced elasticity due to hydration pressure
D)Increased compressive strength of the grout
💡 Explanation
When concrete sets too fast around rebar, insufficient hydration at the interface prevents optimal mechanical interlocking because rapid crystallization inhibits microscopic adherence, leading to weaker bond. Therefore reduced bond strength results, rather than other structural factors stemming from alternative imbalances.
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