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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: Tensile Stress-Strain Properties of Sifcon
Author(s): Antoine E. Naaman and Joseph R. Homrich
Publication: Materials Journal
Appears on pages(s): 244-251
Keywords: ductility; fiber reinforced concretes; metal fibers; slurries; strength; stress-strain relationships; tensile strength; tension tests; Materials Research
Abstract:Sifcon composites differ from conventional fiber reinforced concrete in at least two aspects: they contain a much larger volume fraction of fibers and they use a matrix consisting of very fine particles. As such, they could be made to exhibit simultaneously outstanding strength and ductility properties. This research deals with the tensile stress-strain properties of Sifcon. It comprises an experimental and an analytical program. Parameters investigated in the experimental program include the matrix composition and the fiber type where length, aspect ratio, surface characteristics, and overall fiber geometry vary. It is shown that Sifcon composites can exhibit tensile strength of up to 4 ksi (28 MPa) at peak strains ranging from 1 to 2 percent. A model is proposed to predict the ascending branch of the stress-strain curve of Sifcon from its compressive strength and its fiber reinforcing parameters.
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