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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: Factors affecting permeability
Question: The effect of aggregate characteristics on concrete shrinkage and permeability
Question: How is the permeability of concrete determined?
Question: The relationship between porosity and permeability of concrete
Question: The effect of water-cementitious ratio on permeability and shrinkage
Question: Benefits of using slag cement
Question: Aging of concrete
Question: What does a pozzolan do in the concrete?
Question: Importance of using pozzolans in hydraulic and environmental structures
Question: What is silica fume?
Question: Specialty admixtures
Question: Do some water-reducing admixtures induce bleeding?
Question: What is curing?
Question: Does additional curing improve the properties of concrete in other ways than in strength?
Question: How are properties of concrete in the structure measured?
Question: Could a sulfate-resisting cement and slag cement be combined and used for concrete exposed to su...
Question: Consolidation of concrete—required or not?
Question: Joint deterioration mechanism and prevention
Search other resources on the ACI website for answers to technical questions