CEM200 chapter 8

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Last updated 5:08 PM on 4/19/26
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5 Terms

1
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What percentage of concrete volume do aggregates occupy?

Aggregates occupy approximately 60 to 80 percent of the total volume of concrete.

2
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What are the primary factors that aggregates influence in concrete?

Aggregates influence durability, strength, workability, and cost of concrete.

3
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What are the six main characteristics of aggregates according to Chapter 8?

Cleanness, Gradation, Fineness Modulus, Particle Shape, Texture, Specific Gravity and Unit Weight.

4
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What is cleanness in relation to aggregates?

Cleanness refers to the absence of contaminants such as clay, silt, organic materials, coal, and lightweight particles.

5
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How does gradation affect concrete?

Well-graded aggregates reduce voids, improve workability, and enhance strength; poorly graded