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← TechnologyWhich outcome occurs when improper shimming induces excessive prestress?
A)Concrete crushing during load application✓
B)Rebar yields upon tension release
C)Epoxy coating prevents corrosion action
D)Increased ductility enhances shear capacity
💡 Explanation
Excessive prestress concentrates compression beyond design limits; thus concrete crushing occurs because localized forces overwhelm material strength near anchor points. Therefore concentrated crushing happens, rather than uniform deformation or steel yielding under balanced conditions.
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