Which critical failure mode occurs when concrete beam ultimate tensile strength exceeds rebar yield strength?

💡 Explanation

When tensile strength exceeds rebar yield, brittle failure occurs because rebar lacks necessary ductility to absorb increased deformation. Shear cracking leads to rapid, cascading failure. Therefore sudden collapse results, rather than spalling, buckling or slippage which imply other stress/strain conditions.

• Which mechanism causes current regulation in a Zener diode?
• Which risk increases when localized die wear appears during isothermal forging?
• Which risk increases when high-speed electrohydraulic actuators experience temperature gradients?
• Which harmonic distortion effect increases due to core saturation in distribution transformers under light loading conditions?
• During final approach, which consequence results when differential spoiler deployment induces roll?
• Which outcome occurs when a DC circuit drives a transformer with no oscillating waveforms?