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

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

Options:

Correct Answer: To improve workability and durability

Solution:

Fly ash is used in concrete to improve workability, reduce permeability, and enhance durability.

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

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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