2.1.2 - Superplasticizers (High Range Water Reducers)
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Practice Questions
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What is the main purpose of superplasticizers?
💡 Hint: Think about how they help improve the flow of the concrete mix.
Name one example of a superplasticizer.
💡 Hint: Remember we discussed different types in class.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is one function of superplasticizers in concrete?
💡 Hint: Consider what they do to the workability.
True or False: Superplasticizers can reduce the amount of water in a concrete mix by up to 30%.
💡 Hint: Recall the percentage reduction discussed in class.
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Challenge Problems
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A construction project requires a high-strength concrete with a significant reduction in water content. Discuss how superplasticizers can facilitate this requirement and outline any challenges that may arise.
💡 Hint: Consider both the benefits and potential downsides.
Calculate the potential savings in water usage if a concrete batch uses 200 kg of cement and incorporates a superplasticizer that allows for a 25% reduction in water. Determine how this impacts the workability requirements.
💡 Hint: Think about the initial water content typically required.
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