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← HistoryWhich risk significantly increases in Inca suspension bridges during periods of high diurnal temperature variation?
A)Anchorage stone accelerated spalling✓
B)Quipu recordkeeping data corruption
C)Decking planks become brittle
D)Rope connections overheat visibly
💡 Explanation
Increased diurnal temperature cycles caused increased thermal expansion and contraction within the stone anchorages using the thermal stress mechanism; because of differential expansion, this leads to spalling and cracking of integral stonework anchors therefore affecting structural integrity rather than plank embrittlement under normal humidity or overheating issues.
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