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← HistoryWhich outcome occurred when Inca stonemasons employed interlocking techniques and poorly-drained foundations for suspension bridge towers?
A)Differential tower settling and collapse✓
B)Increased tensile strength of cables
C)Enhancement of seismic resistance
D)Improved bridge deck aerodynamics
💡 Explanation
Differential settling and collapse occurred due to ground saturation when the interlocking stonework allowed water to accumulate around tower foundations, prompting uneven soil compaction; therefore, towers failed rather than benefiting from uniform foundation support, because of increased pore pressure.
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