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Over-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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