University of Houston CNST 4345 Quiz 2 1)Portland cement is a type of hydraulic cement A hydraulic cement creates a chemical reaction when it comes in contact with water (hydration) but will not cure water Cement Types Which of the following techniques have proven successful in providing specified strengths in 4 hours or less? Fly ash is a pozzolanic material sometimes used a partial replacement of Portland cement in a concrete mix design

2. A hydraulic cement creates a chemical reaction when it comes in contact with water (hydration) but will not cure water
3. Cement Types
4. Which of the following techniques have proven successful in providing specified strengths in 4

hours or less?

5. Fly ash is a pozzolanic material sometimes used a partial replacement of Portland cement in a concrete mix design. Which of the following affects can fly ash have on fresh concrete?
6. Long term compressive strength of concrete Type III Portland cement is higher than with Type I Portland cement (general purpose)
7. The temperature rise due to heat of hydration in concrete utilizing Type I Portland cement typically levels off at approximately
8. Concrete Strength is directly proportional to the water cementitious material ratio (w/c)
9. Concrete strength development depends on which of the following?