Civil Engineering PE

Category - Struct. Loading

Which of the following forces may result in cracking of structure walls and floors?
  1. Expansion
  2. Contraction
  3. Tension
  4. A. and B.
Explanation
Answer: D - Expansion and contraction may result in cracking of structure walls and floors. The expansion and contraction properties of building materials should be taken into account during design. For example, a specialized concrete design mix may be used to minimize shrinkage and expansion of a large concrete slab when expansion joints are not allowed in the design criteria.
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