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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: Plastic Forms for Architectural Concrete
Author(s): J. A. Hanson
Publication: Journal Proceedings
Appears on pages(s): 1137-1148
Abstract:Pleasing and unusual architectural effects in concrete are being obtained by the use of forms made of plastics. The architectural treatment may consist of both surface finish and bold pattern decoration. The concrete surfaces can be either glossy-smooth or textured. In either case, the surface is Free of open air and water pockets. No special facing mixes, no parting agents, and no polishing or grinding are required. The extremely Fine smooth finish of plastic-Formed concrete greatly improves the attractiveness Of integral colors, and due to the high reflectivity, smaller amounts of pigment are required to obtain a given color intensity. A considerable number of reuses are obtainable with the plastic Forms, thus reducing the cost through multiple use. Laboratory tests established optimum curing condi-tions for this type of architectural concrete. It was Found that temperature control is important if a high degree of reflectivity is desired. Although the present development of plastic forms was initiated only 3 years ago, a considerable number of applications have been made in the field. Several of these are described.
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