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← HistoryWhich consequence occurs when the fiber anchorage corrodes on an Inca suspension bridge?
A)Bridge deck sags unexpectedly downward✓
B)Cable tension dramatically increases locally
C)Seismic resistance instantly improves rapidly
D)Thermal expansion evenly reduces evenly
💡 Explanation
Cable anchorage corrosion reduces tensile strength, leading to cable elongation due to decreased cross-sectional area; therefore, the bridge deck sags because the uniform tension providing support is disrupted, rather than cable tension increasing or seismic resistance improving.
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