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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Tools > Frequently Asked Questions
Question: Are pozzolans all alike?
Question: The effect of pozzolans on water demand
Question: Using and handling pozzolans
Question: Importance of using pozzolans in hydraulic and environmental structures
Question: The effect of pozzolans on shrinkage
Question: The effect of pozzolans on freezing and thawing resistance
Question: What is a pozzolan?
Question: What does a pozzolan do in the concrete?
Question: Could a sulfate-resisting cement and slag cement be combined and used for concrete exposed to su...
Question: Factors affecting permeability
Question: Why is Type IV cement rarely produced and Type V cement rarely used?
Question: What are blended cements?
Question: Are retarding admixtures reliable as to the time of setting?
Question: Precautions against sulfate attack
Question: How is the resistance to sulfate determined?
Question: How to Control Mass Concrete Temperature during Construction
Question: Definition of concrete, hydraulic cement, mortar, and grout
Question: Pozzolans in mass concrete
Search other resources on the ACI website for answers to technical questions