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← HistoryWhich consequence resulted from inadequate Quipu data about Apurímac bridge rope strain?
A)Increased deck oscillation resonance✓
B)Reduced lateral wind resistance
C)Enhanced structural weight distribution
D)Improved construction material sourcing
💡 Explanation
Undetected rope degradation causes the bridge's natural frequency to drop closer to common excitation frequencies, initiating resonant vibrations because the positive feedback from the Sway-Brace Mechanism amplifies deck oscillations. Therefore, resonance increases, rather than changed deck properties.
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