Technical Questions

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

Question: Material Requirements for Mass Concrete

Question: What is an admixture?

Question: How can it be determined that an admixture will serve its intended purpose?

Question: Curling, shrinkage, and w/cm

Question: Heat of hydration and the importance of controlling it

Question: Factors affecting permeability

Question: Mixture design and strength submittals

Question: Using cube tests in lieu of cylinder tests

Question: Consolidation of concrete—required or not?

Question: How to Control Mass Concrete Temperature during Construction

Question: Joint deterioration mechanism and prevention

Question: Chloride concentration in soil and exposure classes

Question: What does ACI recommend regarding water-cement (w/c) ratios or admixtures to improve workability...

Question: How do fibers affect the workability of concrete? Do fibers require additional water for placement?