2843Civil EngineeringMedium
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young’s modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is________?
A(C – 1)mf + eE
B(1 – C) mf – eE
Correct answer
A. (C – 1)mf + eE
Explanation
The correct answer is (C – 1)mf + eE.