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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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The use of ground calcium carbonate (GCC) and other mineral fillers can enhance the performance, economy, and sustainability of concrete mixtures. Modifications to the conventional proportioning method in ACI 211.1 are needed to incorporate these materials. This guide describes GCC and dust-of-fracture aggregate mineral fillers, including their properties, characterization, and qualification, and effects on concrete properties and sustainability. Recommendations are provided for proportioning concrete mixtures with these materials.
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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