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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: Performance of Concrete Incorporating Condensed Silica Fume and Superplasticizers
Author(s): Per A. Jahren
Publication: Special Publication
Appears on pages(s): 865-892
Keywords: admixtures; bending; compressive strength; concretes;
performance; plasticizers; silica.
Abstract:This paper reports results from an on-going research program on the use of condensed silica fume and superplasticizers in concrete. The program is being performed at different laboratories andvariations caused by the local conditions are reported. The major objective of the research program has been to establish influence charts for variable dosage rates of mineral and chemical admixtures under conditions which are as close to the field conditions as possible. The relative increases in compressive and bending strengths of concrete for various dosage rates of condensed silica fume and superplasticizer are presented. It is concluded that important admixtures such as silica fume and superplasticizers do not influence strength at a constant or linear ratio; the influence is more complex and is governed by the variables involved.
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