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← HistoryWhich risk increases when poorly-dressed Inca stone-masonry exhibits excessive freeze-thaw cycles?
A)Increased aggregate interlocking degradation rate✓
B)Accelerated efflorescence salt crystallization
C)Reduced seismic event induced displacement
D)Decreased material resistance to erosion
💡 Explanation
Aggregate interlocking degradation results from water expansion during freezing; water exerts localized pressure because constrained drainage within stone promotes progressive weakening. Therefore, aggregate detaches under cyclical stresses, rather than a single event, accelerating weathering compared to environments remaining freeze-free.
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