Civil Engineering MCQAE Level Civil Engineering
The total time-dependent losses in a pre-stressed concrete member include:
RCCPre-stressed Concrete LossesMEDIUM
Choose the correct answer
A
Elastic shortening only
B
Creep + shrinkage + relaxation of steel
C
Friction losses + wobble losses only
D
Anchorage slip only
Correct Answer
B. Creep + shrinkage + relaxation of steel
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Time-dependent (long-term) losses: creep of concrete + shrinkage of concrete + relaxation of prestressing steel. Immediate losses: elastic shortening, friction, anchorage slip.
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