3.9.1 - Types of Deleterious Substances
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Practice Questions
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What do deleterious materials do to concrete?
💡 Hint: Think about harmful substances.
Name one type of deleterious substance.
💡 Hint: You learned about them in class.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a deleterious material?
💡 Hint: Focus on the negative impact.
True or false: Only large particles can be deleterious.
💡 Hint: Think of the different sizes and types you learned.
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Challenge Problems
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Consider a concrete mix that exceeds the allowable limit for clay. Discuss how it affects the overall performance of the concrete in a structural application.
💡 Hint: Link the performance issues with increased water demands.
You have aggregate samples containing organic impurities. What tests would you recommend to check if they meet the permissible limits as per IS: 383, and what actions should be taken if they exceed the limits?
💡 Hint: Remember the role of the color test.
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