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← HistoryWhich risk increases when Roman concrete masonry's pozzolan lime ratio shifts?
A)Increased tensile stress resistance
B)Decreased carbonation rate
C)Accelerated seawater disintegration✓
D)Enhanced hydraulic bonding stability
💡 Explanation
An unbalanced ratio affects hydration products, because decreased lime alters cementitious bonding leading to sulfate attack. Therefore, disintegration increases rather than bonding stability, and carbonation decreases versus increasing, not tensile stress.
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