18.2.3.b - Shape and Texture
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Practice Questions
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Why are rounded aggregates preferred for workability?
💡 Hint: Think about how smoothness helps in mixing.
What is workability?
💡 Hint: Consider the quality of the concrete's mixing process.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of aggregates offer better workability?
💡 Hint: Consider the smoothness of the aggregate.
True or False: Angular aggregates can enhance the strength of concrete.
💡 Hint: Think about how shapes interact in a mix.
1 more question available
Challenge Problems
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Design a concrete mix for a structure requiring high strength but that also needs to be placed in a tight area. Explain the selection of aggregates based on their shape and texture.
💡 Hint: Think about the balance between strength and placement ease.
Discuss how you would modify a concrete mix that is overly difficult to work with due to angular aggregates.
💡 Hint: Identify additives that can help achieve better flow and consistency.
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