Multiple choice

Temperature stresses in concrete pavements may cause the slab to crack. If a slab cools uniformly, then the crack will develop at the following locations of the slab

  1. at centre

  2. near edges

  3. at corners

  4. both (2) and (3)
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A Correct answer
Explanation

Uniform cooling of a concrete slab creates tensile stresses that are highest at the center, leading to cracking there.

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