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← TechnologyWhich outcome occurs when shear strain resists prestressing?
A)Increased diagonal tension cracking forms✓
B)Bond stress distribution becomes uniform
C)Concrete creep gets greatly reduced
D)Longitudinal cracks immediately disappear
💡 Explanation
Increased diagonal tension cracking occurs because principal stresses re-orient because of decreased compressive prestress at beam ends. Shear strain causes the reduction in effective prestress via diagonal cracking transfer rather than pure compression; therefore, beams experience premature failure.
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