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← HistoryWhich limiting outcome increased structural risk when tensioned-rope bridges were first introduced alongside stone arches?
A)Reduced deck roadway degradation
B)Thermal expansion joint abrasion
C)Increased vulnerability to aerodynamic flutter✓
D)Accelerated biofouling settlement rate
💡 Explanation
Aerodynamic flutter becomes critical because resonance establishes a *positive feedback loop*, where wind-induced oscillations amplify themselves catastrophically; therefore flutter risk increases rather than bridge instability, because stone arches address load rather than vibrations.
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