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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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This code covers the design and construction of cast-in-place concrete for one- and two-family dwellings and multiple single-family dwellings (townhouses), and their accessory structures. Among the subjects covered are the design and construction requirements for plain and reinforced concrete footings; foundation walls; slabs-on-ground; and requirements for concrete, reinforcement, forms, and other related materials. The quality and testing of materials discussed in this document are covered by reference to the appropriate ASTM standards.
This code is written to allow for reference by adoption in a general building code without changing its language. Background details or suggestions for carrying out the requirements or intent of the code are provided in the commentary. The commentary discusses some of the considerations of the committee in developing the code with emphasis given to the explanation of provisions that may be unfamiliar to code users or where significant departure exists from other concrete codes.
The Collection Online includes all new committee standards and reports released throughout the year. The most recently added include:
439.5R-18 Guide for the Specification, Manufacture, and Construction Use of Welded Wire Reinforcement
232.4T-20 Limits on the Proportions of Fly Ash in Concrete
225.1T-20 Removal of Optional Alkali Limit in Standard Specifications for Portland Cement
522.1-20 Specification for Construction of Pervious Concrete Pavement
211.7R-20 Guide for Proportioning Concrete Mixtures with Ground Calcium Carbonate and Other Mineral Fillers
549.6R-20 Guide to Design and Construction of Externally Bonded Fabric-Reinforced Cementitious Matrix (FRCM) and Steel-Reinforced Grout (SRG) Systems for Repair and Strengthening Masonry Structures
207.4R-20 Report on Cooling and Insulating Systems for Mass Concrete
332-20 Code Requirements for Residential Concrete (ACI 332-20) and Commentary
305R-20 Guide to Hot Weather Concreting
301-20 Specifications for Concrete Construction
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