Practice Composite Soil Behavior. (9.2) - Effect of Addition of Admixtures

Practice: Composite soil behavior.

Lesson 9.2Effect of Addition of Admixtures

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10 questions

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6 sample questions

Question 1.
What is an admixture?
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Think of it as a soil 'additive'.
Question 2.
How does compaction affect soil density?
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Consider the arrangement of particles.
3Question 3.
What is the primary function of admixtures?
- To color the soil
- To stabilize the soil
- To make it heavier
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Remember, admixtures are used for stabilization.
4Question 4.
In which condition does clay have higher shear strength?
- True
- False
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Think about how moisture levels affect soil structure.
Question 5.
A site manager needs to improve the bearing capacity of a sandy soil for a new building. Given that the site's moisture content is high, what steps should he take considering the principles of soil compaction?
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Think about how moisture levels affect compaction and density.
Question 6.
If a fine-grained soil is compacted wet of optimum, what can you predict about its performance in terms of shear strength and settlement compared to when it is compacted dry of optimum?
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Consider the differences in soil structure under varying moisture conditions.

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