Computer · Concrete Technology
Which statement accurately differentiates the Fineness Modulus approach from the ACI Committee 211 method of concrete mix design?
- 1ACI 211 uses Fineness Modulus values for aggregate proportioning, whereas the Fineness Modulus technique prioritizes durability exposure classifications.
- 2The Fineness Modulus method relies chiefly on trial batches, while ACI 211 depends entirely on empirical charts and tables.
- 3The Fineness Modulus approach depends on water-cement ratio tables, while ACI 211 exclusively addresses aggregate grading.
- 4The Fineness Modulus method proportionates aggregates using FM values, while ACI 211 determines mixes based on strength, workability, and exposure.✓
Correct answer
The Fineness Modulus method proportionates aggregates using FM values, while ACI 211 determines mixes based on strength, workability, and exposure.
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