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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is yield stress in SCC?
💡 Hint: Think about what it takes to make concrete start moving.
Question 2
Easy
Define plastic viscosity in your own words.
💡 Hint: Consider how water behaves differently than honey.
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 yield stress in self-compacting concrete?
- A moderate stress to allow flow
- Minimum stress needed to initiate flow
- Maximum stress after placement
💡 Hint: Think about what is necessary to start the movement of a thick liquid.
Question 2
True or False: Plastic viscosity and yield stress are the same.
- True
- False
💡 Hint: Consider how flow characteristics differ when liquid is already moving.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If the yield stress of SCC is too high, what modifications can be systematically applied to reduce it?
💡 Hint: Consider how making the mix more fluid can lower the resistance to flow.
Question 2
Discuss the implications of thixotropy in SCC when designing for structures with complex shapes.
💡 Hint: Think about how shape stability impacts visual appearance and structural integrity.
Challenge and get performance evaluation