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Frequently Asked Questions
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Search other resources on the ACI website for answers to technical questions
Question: Do all fly ashes behave in a similar way?
Question: What is fly ash?
Question: Definition of concrete, hydraulic cement, mortar, and grout
Question: Why is Type IV cement rarely produced and Type V cement rarely used?
Question: What is a pozzolan?
Question: The effect of pozzolans on water demand
Question: What does a pozzolan do in the concrete?