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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is continuous grading?
💡 Hint: Think about what kind of grading helps reduce voids.
Question 2
Easy
Why is proper aggregate grading important?
💡 Hint: Consider how voids or gaps might affect concrete's integrity.
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 does continuous grading help achieve in concrete mixes?
- A. Higher voids
- B. Optimal density
- C. Weaker mixes
💡 Hint: Consider what happens to the structure with less void space.
Question 2
True or False: Gap grading can result in segregation in concrete mixes.
- True
- False
💡 Hint: Think about how materials interact when sizes are missing.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an aggregate grading plan for a high-performance concrete mix intended for a highway bridge. Explain your rationale for the chosen grading pattern.
💡 Hint: Refer to how traffic and weather conditions will affect the concrete.
Question 2
Evaluate a concrete mix that has multiple missing aggregate sizes in its grading. Discuss potential structural concerns this gap grading might introduce.
💡 Hint: Relate it to the structural integrity and expected performance of the concrete.
Challenge and get performance evaluation