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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: Influence of Mix Composition on Mechanical Properties of High-Performance Silica-Fume Concrete
Author(s): Francois De Larrard and Larrard and Robert Le Roy
Publication: Special Publication
Appears on pages(s): 965-986
Keywords: compressive strength; high-strength concretes; self-dessication; mathematical models; modulus of elasticity; shrinkage; silica fume; superplasticizers; Materials Research
Abstract:Discusses the relationship between the composition and the mechanical properties (compressive strength, modulus of elasticity, autogenous shrinkage) of high-strength concretes (HSC) in the range of 50 to 100 Mpa. The models proposed for each of these properties are based on an analysis of the hardened concrete as a composite material, making it possible to go from the properties of the concrete to those of its matrix. The properties of the matrix are related to the two main parameters of composition (water-cement and silica-cement ratios) by empirical models obtained by smoothing the experimental data. Eleven concretes were made using the same constituents; the parameters of composition were varied separately to determine their influence on the properties in question. These experimental data, together with other data taken from the literature, were used to evaluate the accuracy of the proposed models. It is finally shown that these models, which sum up the current knowledge of the material, can be useful in designing HSCs according to specifications.
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