6. (6 Points) What is the difference between bleeding and segregati each). à segregation in fresh...
6. (6 Points) What is the difference between bleeding and segregati each). à segregation in fresh concrete? (Explain 7. (6 Points) Answer the following a (a) What is one component that may not have bee will be present when the concrete is hardened? about the components of concrete. may not have been added when mixing fresh concrete, but it (b) What is another component of concrete that is added duri not be present years after the concrete is hardened? te that is added during the mixing process, but may 8. (8 Points) If only Type II and Type IV Portland cement are available Il and Type IV Portland cement are available. Determine which is Cabe following conditions listed. (Note: your answer must be most likely to be used for each of the following conditions listed either Type II. or Type IV.) Your answer cannot be both of them or none of them Conditions Portland Cement Type 1. A need for high tricalcium aluminate (C3A) TypeTI content in cement. 2. Concrete mass foundation for a wind turbine where it is critical to minimize any cracking due to the heat of hydration. 3. Concrete foundation that has some probability of coming in contact with groundwater. 4. A 4-in (-10 cm) concrete wall for a commercial building. Type IV Type II Type IV X