ACI Global Home Middle East Region Portal Western Europe Region Portal
Email Address is required Invalid Email Address
In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Learn More
Become an ACI Member
Topics In Concrete
Home > Frequently Asked Questions
In This Section
Frequently Asked Questions
Submit a Question
Search other resources on the ACI website for answers to technical questions
Question: Curling, shrinkage, and w/cm
Question: What are shrinkage-compensating expansive cement and concrete?
Question: The effect of water-reducing admixtures on drying shrinkage
Question: How is the shrinkage of concrete determined?
Question: What is autogenous shrinkage?
Question: The effect of aggregate characteristics on concrete shrinkage and permeability
Question: The effect of water-cementitious ratio on permeability and shrinkage
Question: The effect of pozzolans on shrinkage
Question: Would adding more cement serve the purpose of admixtures?
Question: Curing and curling of concrete slabs over vapor retarders
Question: Maximum temperature limits for hot-weather concreting
Question: Other important properties of concrete
Question: Do some water-reducing admixtures induce bleeding?
Question: Increasing the load capacity of a slab-on-ground using an overlay
Question: What is the difference between synthetic microfibers and macrofibers?
Question: How should the appropriate fiber be selected for a specific application, and how is fiber dosage...
Question: What is minimum reinforcement for crack-width control and how is design accomplished using fiber?
Question: Slabs-on-ground
Question: Evaluating the properties of hardened concrete
Question: The effect of joints on the durability of concrete structures
Question: The purpose of calcium sulfate (gypsum)
Question: Characteristics of aggregate affecting concrete strength
Question: Specialty admixtures
Question: What fibers are used in concrete?
Question: What nominal maximum sizes of aggregate are recommended?
Question: The effect of changes in proportions of the fine and coarse aggregate or the quantity of cementi...
Question: Is there any measure of the completeness or adequacy of curing?
Question: How can the effectiveness of curing be measured?
Question: Can the strength gain of concrete that has ceased due to drying out at early ages be restored by...
Question: What is calcium-aluminate cement?
Question: Acceptable concrete cracking
Question: When should saw cuts be made on a concrete slab?
Question: Why are fibers used in concrete?
Question: Why use fiber-reinforced concrete?
Question: What are the primary benefits of using fiber-reinforced concrete compared to traditionally reinf...
Question: What is the minimum fiber dosage? Is it possible to use less than the minimum dosage?