The phenomenon of creep in reinforced concrete structures is defined as:
AInstantaneous elastic deformation under dynamic load
BTime-dependent non-recoverable deformation under sustained long-term loading
CShrinkage caused by evaporation of mixing water
DThermal expansion due to temperature rise
Explanation
Creep in concrete is the slow, time-dependent, irreversible deformation occurring under sustained dead or structural loads over extended periods of time, increasing long-term deflection in structural members.
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