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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
Q. What are the important factors affecting permeability? A. Permeability indicates the ability of liquids or gases to flow under pressure through concrete. Low permeability is a principal requirement for concrete exposed outdoors. To achieve low permeability, the w/cm must be limited. It is also beneficial to replace a portion of the portland cement with pozzolans or slag. Consolidation and curing are also important. References: SP-1(02); ACI 201.1R-08; ASTM C1202 Topics in Concrete: Concrete Fundamentals; Durability; Permeability
Q. What are the important factors affecting permeability?
A. Permeability indicates the ability of liquids or gases to flow under pressure through concrete. Low permeability is a principal requirement for concrete exposed outdoors. To achieve low permeability, the w/cm must be limited. It is also beneficial to replace a portion of the portland cement with pozzolans or slag. Consolidation and curing are also important.
References: SP-1(02); ACI 201.1R-08; ASTM C1202
Topics in Concrete: Concrete Fundamentals; Durability; Permeability
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