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← TechnologyWhich outcome occurs when an over-pressurized concrete pour compromises steel beam concrete bonding?
A)Reduced resonant frequency observed
B)Accelerated creep deformation develops✓
C)Increased tensile strength results
D)Enhanced composite action occurs
💡 Explanation
Accelerated creep deformation develops because the high pressure during the pour impairs the interfacial bond via increased micro-fractures. Mechanical interlocking becomes less effective due to hydrostatic stress effects; therefore creep accelerates rather than strengthens the beam.
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