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← TechnologyWhich event follows when strain hardening exceeds capacity within a reinforced concrete beam during excessive load?
A)Tensile rebar yielding and concrete crushing✓
B)Increased shear stress along neutral axis
C)Formation of plastic hinges in steel
D)Shear cracks near the support columns
💡 Explanation
When strain hardening exceeds capacity in a concrete beam, tensile bars yield and concrete crushes because these are the mechanisms of failure once limit is reached. Therefore yielding and concrete crushing results, rather than solely increased shear stress, hinges, or shear cracks from supports because these are secondary effects under normal operation.
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