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← HistoryOver-tensioning what component in a historic rope bridge presents increased catastrophic sagging risk?
A)Transverse deck lashing
B)Catwalk support cables
C)Longitudinal suspension cables✓
D)Abutment anchoring blocks
💡 Explanation
Sag increases when longitudinal suspension cables experience plastic DEFORMATION because over-tensioning exceeds the ElASTIC LIMIT; therefore, the load capacity reduces, rather than being optimized with deck lashing or anchor supports under normal allowable tension.
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