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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: Uniaxial Tensile Response of Cement Composites Reinforced With High Volume Fractions of Carbon, Steel, and Polypropylene Micro-Fibers
Author(s): N. Banthia, A. Moncef, and J. Sheng
Publication: Special Publication
Appears on pages(s): 43-68
Keywords: compressive strength; fiber reinforced concretes; matrix; microfibers; precast concrete; reinforced concrete; stiffness; strengthening; tension; Structural Research
Abstract:Stress-strain curves in uniaxial tension are obtained for microfiber reinforced concrete composites containing high-volume fractions of carbon, steel, and polypropylene fibers, both in mono and hybrid (combination) forms. Based on these curves, considerable strengthening, toughening, and stiffening of the host matrix due to microfiber reinforcement are demonstrated. Such fiber characteristics as geometry, tensile strength, elastic modulus, and surface texture are shown to be significant. In hybrid fiber composites, different fibers appear to act as additive phases, i.e., they maintain their individual reinforcing capabilities. The potential of these composites for use in thin-sheet products and similar applications, and the need for continued research in this area, are recognized.
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