Which aggregate type is preferred for high-performance concrete?

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Question: Which aggregate type is preferred for high-performance concrete?

Options:

Correct Answer: Crushed stone

Solution:

Crushed stone is preferred for high-performance concrete due to its angular shape and better interlocking.

Which aggregate type is preferred for high-performance concrete?

Which aggregate type is preferred for high-performance concrete?

Step 1: Understand what high-performance concrete is. It is a type of concrete that has superior properties compared to regular concrete.
Step 2: Learn about aggregates. Aggregates are materials like sand, gravel, or crushed stone that are mixed with cement to make concrete.
Step 3: Identify the types of aggregates. Common types include natural gravel, sand, and crushed stone.
Step 4: Know the characteristics of crushed stone. Crushed stone has an angular shape, which helps it fit together better.
Step 5: Understand why angular shape matters. The better the aggregates fit together, the stronger and more durable the concrete will be.
Step 6: Conclude that crushed stone is preferred for high-performance concrete because it provides better interlocking and strength.

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