What is the primary role of coarse aggregate in concrete?

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Question: What is the primary role of coarse aggregate in concrete?

Options:

Correct Answer: To provide volume and stability

Solution:

Coarse aggregate provides volume and stability to the concrete mix, contributing to its overall strength.

What is the primary role of coarse aggregate in concrete?

What is the primary role of coarse aggregate in concrete?

Step 1: Understand what coarse aggregate is. Coarse aggregate consists of larger particles, like gravel or crushed stone, used in concrete.
Step 2: Recognize that coarse aggregate is mixed with cement, water, and fine aggregate (like sand) to make concrete.
Step 3: Know that the primary role of coarse aggregate is to provide volume to the concrete mix, which helps fill space.
Step 4: Realize that coarse aggregate also adds stability to the concrete, making it less likely to crack or break.
Step 5: Conclude that by providing volume and stability, coarse aggregate contributes to the overall strength of the concrete.

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