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← TechnologyWhich risk increases when rebar corrosion weakens the steel-concrete bond within a load-bearing column?
A)Buckling failure under axial compression✓
B)Shear failure at the beam connection
C)Torsional failure from eccentric loading
D)Bond splitting due to freeze-thaw cycles
💡 Explanation
When rebar corrodes, the steel-concrete bond degrades because expansive corrosion products create internal stresses, reducing composite action and increasing the effective buckling length. Therefore buckling failure results, rather than shear or torsional failure, or bond splitting, requiring different loading conditions or mechanisms.
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