Multiple choice

Consider the following statements in the context of cement concrete pavements. I. Warping stresses in cement concrete pavements are caused by the seasonal variation in temperature. II. Tie bars are generally provided across transverse joints of cement concrete pavements. The correct option evaluating the above statements is

  1. I: True II: False

  2. I: False II: True

  3. I: True II: True

  4. I: False II: False
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Warping stresses are caused by temperature gradients between the top and bottom of the slab, not seasonal variation. Tie bars are used in longitudinal joints to prevent lateral spreading, while dowel bars are used in transverse joints to transfer load.

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