AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

Supplementary cementitious materials such as fly ash or slag cement are used in concrete to:

Replace all aggregate in the mix Improve workability, reduce heat of hydration, and enhance long-term durability when properly proportioned Eliminate the need for curing in all climates Guarantee same-day form stripping in freezing weather

Correct Answer:

Improve workability, reduce heat of hydration, and enhance long-term durability when properly proportioned

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