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2 cards from this section. Quick, good the night before a test.
What is the purpose of sieve analysis?
Think about its role in ensuring concrete quality.
What does fineness modulus represent?
It’s derived from the sieve analysis results.
What is the main purpose of sieve analysis?
Think about the characteristics it helps us understand.
True or False: The fineness modulus indicates the weight of aggregates.
Reflect on what 'fineness' refers to in aggregates.
You have conducted a sieve analysis and obtained the following percentages retained on each sieve: 20 mm - 25%, 10 mm - 35%, 4.75 mm - 30%, and passing through - 10%. Calculate the fineness modulus.
Don’t forget to sum all percentages.
Interpret the results of a sieve analysis which reveals 50% coal particles in a given sample. Discuss the implications on concrete quality.
Think about the role of aggregate quality in concrete.
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