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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is sub grade soil?
💡 Hint: Think about the role it plays below the road surface.
Question 2
Easy
Name one test used to evaluate sub grade soil.
💡 Hint: It's a test specifically focused on strength.
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 main function of sub grade soil?
- To drain water
- To support pavement
- To absorb heat
💡 Hint: Consider what role the soil plays beneath the road.
Question 2
The CBR test measures what aspect of sub grade soil?
- Color
- Strength
- Moisture
💡 Hint: Think about how engineers need to measure the resistance of soil.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a site with identified clay sub grade soil, discuss the implications for pavement design and suggest methods to improve its load-bearing capacity.
💡 Hint: Think about the adaptive measures engineers take for problematic soils.
Question 2
Analyze the results of a CBR test yielding a value of 3%. Discuss what design alterations may be necessary for the pavement.
💡 Hint: Recall how lower CBR values require more substantial engineering interventions.
Challenge and get performance evaluation