Technical Questions

Question: What is silica fume?

Question: Definition of portland cement

Question: Characteristics of cement that affect compressive strength

Question: What is slag cement or ground granulated blast-furnace slag (GGBFS)

Question: What does a pozzolan do in the concrete?

Question: Improving the abrasion resistance of concrete

Question: Protecting against excessive expansion due to alkali-aggregate reaction (AAR)

Question: Definition of concrete, hydraulic cement, mortar, and grout

Question: Hardening of hydraulic cement

Question: Materials used to produce portland cement

Question: Factors affecting cement properties

Question: What is a pozzolan?

Question: Using and handling pozzolans

Question: Are pozzolans all alike?

Question: The effect of pozzolans on water demand

Question: How can durable aggregates be ensured?

Question: Specialty admixtures

Question: Commonly used accelerating admixture

Question: How is the resistance to alkali-aggregate reaction (AAR) determined?

Question: Curling, shrinkage, and w/cm

Question: Popouts or popoffs?