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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: Form pressures: Theory and field
Author(s): T. A. Harrison
Publication: Concrete International
Appears on pages(s): 23-28
Keywords: admixtures; formwork (construction); measurements;
pore-water pressure; pressure; slags; theo-ries;
Abstract:The distribution of the pressure exerted by fresh concrete against a vertical form face can be explained by the pore water pressure theory, which provides a sound basis for interpreting site data. However, at the stage when formwork is designed, information on some factors that influence form pressures may not be available. The present ACI Committee 347 method can be applied without modification to concretes. with Type I cement and water reducers but not to concretes containing a high proportion of slag. The form pressures from superplasticized concretes follow the same pattern as normal concretes, but it is premature to claim that the present ACI method can be used to estimate pressure from such concretes.
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