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