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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: Shotcrete: Wet or Dry Process
Author(s): H.R. Egger
Publication: Special Publication
Appears on pages(s): 241-249
Abstract:The vehicle in the classical method to spray shotcrete is compressed air. Thereby the aggregate and the cement are transported within a high speed stream of air in the state of a suspension. Many attempts have been exerted to apply other possiblities of transporting the concrete mix. Despite of these numerous efforts there basically remain three varioes methods: 1 dry aggregate suspended in a stream of air 2 slugs of wet mix propelled by compressed air 3 compact wet mix pressed forward mechanically. I will refer to hereafter as method one, two and three.
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