Computer · Concrete Technology
Which one of the following statements is NOT correct with respect to concrete mix design?
- 1The fresh concrete mix must be workable so that it can be placed and compacted easily.
- 2Cement is typically the most costly chemical ingredient per unit weight in a normal concrete mix.
- 3The compressive strength and water tightness generally increase with the density of the compacted mix.
- 4Increasing the water content beyond that required for hydration and workability causes the final strength to increase constantly.✓
Correct answer
Increasing the water content beyond that required for hydration and workability causes the final strength to increase constantly.
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