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← HistoryWhich consequence occurred historically when poorly mixed lime was used in Roman concrete?
A)Reduced long-term structural integrity✓
B)Increased initial concrete density
C)Enhanced resistance to saltwater ingress
D)Accelerated pozzolanic reaction rate
💡 Explanation
Reduced long-term structural integrity occurred when lime wasn't properly mixed; the carbonatation reaction mechanism requires even dispersion for binding. This is because uneven mixing leads to weak spots, therefore compromising overall durability rather than improving density or saltwater resistance due to insufficient chemical bond formation.
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