What is the effect of using fly ash as a partial replacement for cement?

Practice Questions

Q1
What is the effect of using fly ash as a partial replacement for cement?
  1. Increases the heat of hydration
  2. Reduces the workability of concrete
  3. Improves long-term strength and durability
  4. Decreases the setting time

Questions & Step-by-Step Solutions

What is the effect of using fly ash as a partial replacement for cement?
  • Step 1: Understand what fly ash is. Fly ash is a byproduct from burning coal in power plants.
  • Step 2: Learn what cement does. Cement is a key ingredient in concrete that helps it harden and gain strength.
  • Step 3: Know that fly ash can be used instead of some cement in concrete. This is called partial replacement.
  • Step 4: Recognize the benefits of using fly ash. It can improve the strength and durability of concrete over time.
  • Step 5: Realize that using fly ash can also make concrete more environmentally friendly by reducing the amount of cement needed.
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