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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What causes plastic shrinkage?
💡 Hint: Think about what happens to water on a hot day.
Question 2
Easy
What is drying shrinkage?
💡 Hint: Consider long-term effects of moisture loss.
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 primary cause of plastic shrinkage?
- Moisture loss from capillary pores
- Rapid evaporation of surface water
- Chemical reactions in cement
💡 Hint: Think about what happens to water on a hot surface.
Question 2
True or False: Drying shrinkage continues indefinitely after concrete hardens.
- True
- False
💡 Hint: Consider what happens over time.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the total volume reduction experienced by a concrete slab subjected to drying shrinkage if the initial volume was 100 m³ and it shrank by 600 µε after one year.
💡 Hint: Remember that 1 µε = 1e-6 strain.
Question 2
Discuss how the types of shrinkage could interact in a high-performance concrete structure, and make recommendations for design adjustments.
💡 Hint: Consider how environmental conditions affect the concrete immediately and over time.
Challenge and get performance evaluation