Technical Questions

Question: Maximum temperature limits for hot-weather concreting

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

Question: What is mass concrete?

Question: Size of test cylinder

Question: Consolidation of concrete—required or not?

Question: Mixture design and strength submittals

Question: Standards for 7-day and 28-day strength test results

Question: Material Requirements for Mass Concrete

Question: How is the required strength selected, measured, and obtained?

Question: Water Curing Mass Concrete Structures

Question: Placement of welded wire reinforcement (WWR) in a slab-on-ground

Question: Rebound hammer and in-place strength testing

Question: Heat of hydration and the importance of controlling it

Question: Temperature limits for mass concrete

Question: Temperature Control Time

Question: Predicating Temperature for Mass Concrete

Question: Air tests for non-air-entrained concrete

Question: The most important single factor affecting compressive strength

Question: How to Control Mass Concrete Temperature during Construction

Question: Minimum Dimension of a Structure

Question: What is the difference between corrected and uncorrected weight in a concrete mix design?

Question: Evaluating the properties of hardened concrete

Question: How do the code requirements get to the contractor?

Question: Why is the workability of concrete important?

Question: How is workability measured and specified?

Question: Definition of controlled low-strength material (CLSM)

Question: What is architectural concrete?

Question: Who selects the requirements for concrete for a project?

Question: Curing Test Specimen at High Temperatures