3 - Aggregates for Concrete
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Practice Questions
Test your understanding with targeted questions
What is the classification of aggregates based on size?
💡 Hint: Think about the sieve sizes.
Name one property of aggregates.
💡 Hint: It's a measurement related to density.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of aggregates are smaller than 4.75 mm?
💡 Hint: Think about the sieve classification.
True or False: Coarse aggregates provide compressive strength to concrete.
💡 Hint: Consider the size and role of these aggregates.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the Fineness Modulus of a sample of sand if 25% is retained on a 4.75 mm sieve, 15% on a 2.36 mm sieve, 20% on a 1.18 mm sieve, 30% on a 600 μm sieve, and 10% on a 300 μm sieve.
💡 Hint: Sum the percentages for all relevant sieves.
Discuss how the shape of aggregates can impact the strength and workability of concrete mixtures. Provide examples.
💡 Hint: Consider what happens when you stack different shaped items together.
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