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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the minimum percentage of Modified Proctor Density required for the subgrade?
💡 Hint: Remember, it’s a percentage of the modified density.
Question 2
Easy
What should the subgrade be free from?
💡 Hint: Think about what would weaken a foundation.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the minimum compaction requirement for subgrade?
- 85%
- 90%
- 95%
💡 Hint: Look for the critical percentage in our discussions.
Question 2
True or False: Organic material is acceptable for a stable subgrade.
- True
- False
💡 Hint: Think about what happens to organic materials over time.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose a new pavement is showing signs of cracking after only two years of service. Analyze potential reasons and link them to subgrade conditions.
💡 Hint: Think about the preparation phases we discussed.
Question 2
Design a subgrade preparation strategy for a region known for heavy rainfall and clay soil. What specific techniques would you incorporate?
💡 Hint: Consider the effects of heavy rain on soil stability.
Challenge and get performance evaluation