Technical Questions

Question: Curing and curling of concrete slabs over vapor retarders

Question: What are shrinkage-compensating expansive cement and concrete?

Question: Curling, shrinkage, and w/cm

Question: What is the difference between synthetic microfibers and macrofibers?

Question: What nominal maximum sizes of aggregate are recommended?

Question: The effect of joints on the durability of concrete structures

Question: Would adding more cement serve the purpose of admixtures?

Question: Maximum temperature limits for hot-weather concreting

Question: The effect of aggregate characteristics on concrete shrinkage and permeability

Question: How is the shrinkage of concrete determined?

Question: Increasing the load capacity of a slab-on-ground using an overlay

Question: What fibers are used in concrete?

Question: Acceptable concrete cracking

Question: The effect of water-reducing admixtures on drying shrinkage

Question: The effect of changes in proportions of the fine and coarse aggregate or the quantity of cementi...

Question: How can the effectiveness of curing be measured?

Question: The effect of pozzolans on shrinkage

Question: Other important properties of concrete

Question: The effect of water-cementitious ratio on permeability and shrinkage

Question: When should saw cuts be made on a concrete slab?

Question: What are the primary benefits of using fiber-reinforced concrete compared to traditionally reinf...

Question: Characteristics of aggregate affecting concrete strength

Question: What is autogenous shrinkage?

Question: How should the appropriate fiber be selected for a specific application, and how is fiber dosage...

Question: Evaluating the properties of hardened concrete

Question: Slabs-on-ground

Question: The purpose of calcium sulfate (gypsum)

Question: Is there any measure of the completeness or adequacy of curing?

Question: Why are fibers used in concrete?

Question: Why use fiber-reinforced concrete?

Question: Specialty admixtures

Question: Do some water-reducing admixtures induce bleeding?

Question: Can the strength gain of concrete that has ceased due to drying out at early ages be restored by...

Question: What is the minimum fiber dosage? Is it possible to use less than the minimum dosage?

Question: What is minimum reinforcement for crack-width control and how is design accomplished using fiber?

Question: What is calcium-aluminate cement?