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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 > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Using the Recommended Practice for Selecting Proportions for Structural Lightweight Concrete (ACI 211.2-69)
Author(s): William W. Hotaling, Jr.
Publication: Special Publication
Appears on pages(s): 209-220
Keywords: absorption; aggregate gradation; air entrainment; cement content; coarse aggregates; density (mass/volume); fine aggregates; fineness modulus; lightweight aggregates concretes; lightweight aggregates; mix proportioning; moisture content; quality control
Abstract:The Recommended Practice for Selecting Proportions for Structural Lightweight Concrete (ACI 211.2-69) presents methods for designing structural lightweight concrete mixes, emphasizing their adjustment by employing a specific gravity factor. This in turn enables calculation of effective displaced volumes for the lightweight aggregate fractions in the mixture. Developed via a pycnometer, these factors are presented as a continuous function for a range of aggregate moisture contents. Also included in the Standard are adjustment guides as well as field control pointers.
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