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← TechnologyWhich risk increases when a concrete column's pour halts mid-height?
A)Cold joint formation susceptibility✓
B)Rebar cage buckling prevention
C)Increased surface tensile strength
D)Homogenous concrete consolidation improvement
💡 Explanation
Discontinuing concrete placement leads to a cold joint formation because hydration progresses unevenly, therefore weakening the column's structural integrity rather than improving load transfer or material properties achieved through monolithic pours.
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