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← TechnologyWhich risk increases when external prestressing tendons corrode in a concrete bridge deck?
A)Buckling of compression reinforcement
B)Sudden brittle failure of the deck✓
C)Increased creep deformation of concrete
D)Delamination of the concrete cover
💡 Explanation
When external prestressing tendons corrode, stress transfer decreases because the steel section reduces, leading to a reduced resistance to tensile forces and sudden failure. Therefore, brittle failure is more likely, rather than buckling, creep, or delamination which would manifest more gradually under normal loading.
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