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← TechnologyWhich risk increases when concrete column's vertical rebar splices are misaligned during construction?
A)Reduced buckling resistance under axial load✓
B)Increased concrete spalling from freeze-thaw cycles
C)Greater creep deformation under sustained load
D)Elevated chloride ingress leading to corrosion
💡 Explanation
When rebar splices are misaligned, reduced composite action results because the load transfer mechanism through the steel reinforcement is weakened, increasing susceptibility to buckling. Therefore, lowered buckling resistance arises, instead of spalling, creep, or corrosion which need alternative environmental factors or reinforcement configurations.
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