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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: Properties and Microstructure of High-Performance Concretes Containing Silica Fume, Slag and Fly Ash
Author(s): M. Baalbaki, S. L. Sarker, P. C. Aitcin, and H. Isabelle
Publication: Special Publication
Appears on pages(s): 921-942
Keywords: compressive strength; concretes; fly ash; hydration; microstructure; modulus of elasticity; silica fume; slags; splitting tensile strength; Materials Research
Abstract:The demand for high-performance concrete is steadily rising in the construction market. Whereas it may not be difficult to attain high compressive strength with these concretes, controlling the rheology in the fresh state can create problems. The composition and properties of several high-performance concretes in their fresh and hardened states, made with reground Type 50 (ASTM Type V) cement of Blaine fineness 650 mý/kg, and silica fume, slag, and fly ash at w/c 0.30 or lower are presented. All these high-performance concretes present long slump retention, combined with high elastic modulus, modulus of rupture, and splitting tensile strength. The actual compressive strength can be as high as 124 to 136 MPa at 1 year. These results are compared with a reference concrete made with the same cement at the same w/c, but without any mineral admixtures. The microstructural characteristics of these concretes at 1 year are described. The correation between the microstructure and the mechanical properties are discussed.
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