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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: Vacumn Processes Applied to Precast Concrete Houses
Author(s): K. P. Billner and Bert M. Thorud
Publication: Journal Proceedings
Appears on pages(s): 121-128
Keywords: no keywords
Abstract:The use of vacumn processes in precast concrete construction simplifies the building of fire-resistant, durable structures designed to permit the maximum use of like units. Vacumn processes have thus far been used in one- and two-story houses and one-story industrial or warehouse structures, but furthur developments should make possible similar benefits for multi-story construction. The specific vacumn methods utilized are: (1) extracting excess water from freshly placed concrete proir to set, thereby increasing early strength and enabling early handling of units, (2) holding forms in place by vacumn and (3) handling and placing finished and hardend concrete units by cast-in-place closures formed and quickly hardened by vacumn processes. The use of these methods results in high strength monolithic construction having exterior and interior finished surfaces, with insulation incorporated into the construction, if desired.
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