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← TechnologyWhich risk increases when concrete sets too quickly inside a reinforced steel column?
A)Reduced resistance against corrosion in rebars
B)Increased risk of developing longitudinal cracks✓
C)Higher susceptibility to buckling under load
D)Decreased lifespan due to carbonation
💡 Explanation
When concrete sets too quickly, increased hydration speed occurs because rapid chemical reactions generate excessive heat and contraction, inducing tensile stress beyond the concrete's tensile strength, which creates internal stress. Therefore longitudinal cracking results, rather than corrosion resistance reduction, buckling susceptibility, or decreased lifespan which require different failure mechanisms.
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