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Wafflez4Reason Wafflez4Reason
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6 years ago
Which of the following statements regarding pretensioning of concrete is MOST accurate?
 
  A) Steel strands are tensioned after the concrete has reached a certain strength.
  B) As force on the steel strands is released, the strands exert a tensile force in the concrete.
  C) When the steel strands are released, the concrete member usually takes on a slight downward deflection.
  D) As loads are applied to the pretensioned member, it becomes flat.
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