18.2.5 - Admixtures
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Practice Questions
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What is an admixture in concrete?
💡 Hint: Think about why we would want to change how concrete behaves.
Name one benefit of using plasticizers.
💡 Hint: Consider how they help in mixing the concrete.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of air-entraining agents in concrete?
💡 Hint: Think about how air can prevent damage from expanding water.
True or False: Accelerators slow down the curing process.
💡 Hint: Consider the role of accelerators in cold conditions.
1 more question available
Challenge Problems
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Design a concrete mix for a cold environment considering admixtures. Recommend types and explain your choices.
💡 Hint: Consider the properties you need to ensure before freezing temperatures are reached.
Evaluate the environmental impact of reducing cement through the use of mineral admixtures. What considerations must be made?
💡 Hint: Think about how sustainability fits in with engineering requirements.
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