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

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Question: What is the purpose of using fly ash as a partial replacement for cement?

Options:

Correct Answer: To enhance durability

Solution:

Fly ash improves the durability and workability of concrete while reducing the overall cost.

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

What is the purpose 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 that fly ash can be used in concrete as a substitute for some of the cement.
Step 3: Know that using fly ash can make concrete stronger and last longer (this is called durability).
Step 4: Realize that fly ash can make the concrete easier to mix and work with (this is called workability).
Step 5: Remember that using fly ash can also lower the cost of making concrete because it reduces the amount of cement needed.

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