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Frequently Asked Questions
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Search other resources on the ACI website for answers to technical questions
Question: How is the air content of freshly mixed concrete determined?
Question: What is the effect of freezing on concrete?
Question: Air tests for non-air-entrained concrete
Question: Standards for 7-day and 28-day strength test results
Question: Why is consolidation needed?
Question: What are blended cements?
Question: Hardening of hydraulic cement
Question: The cause of false set
Question: What is yield?