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← HistoryWhich outcome results when ancient Roman concrete masonry deteriorates due to chronic overloading?
A)Pozzolanic reaction accelerates uncontrolled cracking
B)Internal microcracks propagate to macroscopic spalling✓
C)Aggregate detachment limits mortar permeability
D)Alkali-silica reaction increases structural resilience
💡 Explanation
Internal microcracks propagate because static fatigue reduces cohesive strength in the concrete matrix; therefore, macroscopic spalling results, rather than slowed cracking, increased permeability, or improved resilience which each occur under different chemical or loading conditions.
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