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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: Proposed Revision of ACI 613A-59:
Recommended Practice for Selecting
Proportions for Structural
Author(s): ACI Committee 211
Publication: Journal Proceedings
Appears on pages(s): 1-19
Keywords: absorption;aggregate gradation;air content;air entrainment;calibration;cement content;coarse aggregates;fine aggregates;fineness aggregates;fineness modulus;lightweight aggregate concretes;lightweight aggregates;mix proportioning;moisture.
Abstract:Describes, with examples, a method for proportioning and adjusting structural grade concrete containing lightweight aggregates. The method described uses a "specific gravity factor," determined by pycnometer test on the aggregates, which accounts for variations in moisture content of the aggregates. A tabular form is suggested for systematic calculation of batch weights and "effective displaced volumes." Examples are given for adjustments for change in aggregate moisture content, aggregate proportions, cement factor, slump, and air content.
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