Que.

If loading on simply supported pre-stressed concrete beam is uniformly distributed,the centroid of tendons should be preferably :

  • A. a straight profile along the centroidal axis
  • B. a straight profile along with the lower kern
  • C. a parabolic profile with convexity downward
  • D. a circular profile with convexity upward

Right Answer is :
C. a parabolic profile with convexity downward
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