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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: Creep of Concrete Containing Fibers and Silica Fume
Author(s): J. Houde, A. Prezeau, and R. Roux
Publication: Special Publication
Appears on pages(s): 101-118
Keywords: creep properties; fiber reinforced concretes; metal fibers; polypropylene fibers; silica; Materials Research
Abstract:Tests have shown that steel fibers increase the tensile strength of concrete and reduce the sudden failure in tension when bonding is adequate; impact resistance is also greatly increased. On a lesser scale, polypropylene fibers also increase the impact resistance of concrete. Compressive strengths of concrete containing either type of fiber are not increased. Since creep is a fundamental property of concrete, a test program was initiated to measure the effect of both steel and polypropylene fibers on plain concretes and on concretes containing silica fume. The addition of fibers, polypropylene or steel, increased substantially (20 to 40 percent) the creep of plain concrete and, to a lesser extent, the creep of concretes containing 5 to 10 percent silica fume. It was found that creep of concrete with or without fibers was decreased by at least 20 percent when 5 to 10 percent of cement was replaced by silica fume.
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