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Topics In Concrete

Home > Frequently Asked Questions

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Technical Questions

ACI Committees, Membership, and Staff have answered common questions on a variety of concrete related topics.

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Question: Do all fly ashes behave in a similar way?

Question: What is a pozzolan?

Question: What is fly ash?

Question: Shear Design Provisions in ACI 318-19

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

Question: Mixture design and strength submittals

Question: Aggregate classification by density

Question: Characteristics of cement that affect compressive strength

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

Question: Consolidation of concrete—required or not?

Question: Chloride concentration in soil and exposure classes