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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: Properties of Sand-Mix Shotcrete
Author(s): Stanley G. Zynda
Publication: Special Publication
Volume: 14
Issue:
Appears on pages(s): 155-164
Keywords:
Date: 3/1/1978
Abstract:Proportions of shotcrete mortar as mixed are compared with proportions of the mix in place. Effect of nozzle velocity on density of the in-place material is explained. Data on unit weight and compressive strength of various mixes are given, noting how test results based on shot cylinders differ from strength tests of cores from actual structural applications. Total water content for any given com-bination of shotcrete mortar materials is constant regardless of mix proportions, provided that the material is placed at the wettest stable consistency-the point of incipient sag. Maximum density in any mix occurs at this water content; hence it is also the point of maximum compressive strength.
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