7.6 - Modern Practices to Improve Workability
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Practice Questions
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What is a plasticizer?
💡 Hint: Think about the role of plastics in keeping things flexible.
Name one mineral admixture.
💡 Hint: This material often comes from power plants.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of plasticizers in concrete?
💡 Hint: Think about how they affect mixing.
True or False: Superplasticizers can increase the flow ability of concrete significantly.
💡 Hint: Remember their extreme enhancement capabilities.
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Challenge Problems
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You are tasked with a project in a hot climate where high-performance concrete is needed. Describe your approach concerning chemical and mineral admixtures you would select to ensure workability.
💡 Hint: Consider the effects of temperature on concrete and which admixtures would help.
Discuss how you would balance the use of chemical admixtures without compromising strength in a concrete mix required for heavy-load beams.
💡 Hint: Think about the relationship between workability and strength and how admixtures can mediate this.
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