What is the primary function of coarse aggregates in concrete?

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Question: What is the primary function of coarse aggregates in concrete?

Options:

Correct Answer: To provide bulk and strength

Solution:

Coarse aggregates provide bulk and strength to concrete, making it more durable.

What is the primary function of coarse aggregates in concrete?

What is the primary function of coarse aggregates in concrete?

Step 1: Understand what coarse aggregates are. They are large particles, like gravel or crushed stone, used in concrete.
Step 2: Know that concrete is made up of cement, water, fine aggregates (like sand), and coarse aggregates.
Step 3: Recognize that coarse aggregates help to fill up space in the concrete mix, which is called providing bulk.
Step 4: Learn that the presence of coarse aggregates increases the strength of concrete, making it able to support heavy loads.
Step 5: Realize that stronger concrete is also more durable, meaning it lasts longer and withstands weather and wear.

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