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Frequently Asked Questions
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Search other resources on the ACI website for answers to technical questions
Question: Standard specifications for cements
Question: What is the difference between synthetic microfibers and macrofibers?
Question: Curing and curling of concrete slabs over vapor retarders
Question: What is an expansive cement and what are the different types of expansive cement?
Question: Characteristics of cement that affect compressive strength
Question: Popouts or popoffs?
Question: Maximum temperature limits for hot-weather concreting
Question: Form release agents
Question: What is minimum reinforcement for crack-width control and how is design accomplished using fiber?
Question: Why are fibers used in concrete?
Question: Are all fibers used in concrete the same?
Question: Will fiber-reinforced concrete have a hairy appearance?