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What is the primary function of using fly ash in concrete?

Practice Questions

Q1
What is the primary function of using fly ash in concrete?
  1. To increase the weight of concrete
  2. To improve workability and durability
  3. To reduce the cost of cement
  4. To enhance the color of concrete

Questions & Step-by-Step Solutions

What is the primary function of using fly ash in concrete?
  • Step 1: Understand what fly ash is. Fly ash is a byproduct from burning coal in power plants.
  • Step 2: Learn that fly ash can be added to concrete mixtures.
  • Step 3: Know that one primary function of fly ash is to improve workability, making the concrete easier to mix and pour.
  • Step 4: Recognize that fly ash helps reduce permeability, which means it makes the concrete less likely to absorb water and other substances.
  • Step 5: Understand that using fly ash enhances the durability of concrete, making it last longer and resist damage.
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