Constitutive Modeling of Slurry Infiltrated Fiber Concrete (SIFCON)by David J. Stevens, Clarkson U, Potsdam, United States,
Abstract: Slurry Infiltrated Fiber CONcrete (SIFCON) is a unique material, containing 5 to 18 percent, by volume, of steel fibers; in contrast, standard Fiber Reinforced Concrete (FRC) usually contains 0.5 to 2 percent fibers, SIFCON exhibits high compressive and tensile strengths (up to 35 ksi and 5 ksi, respectively), extremely high ductility, and its response is strongly dependent upon the random orientation distribution of the fibers. To represent these unique characteristics, a constitutive model, based on the theory of mixtures, is proposed.
Subject Headings: Fiber reinforced concrete | Fiber reinforced composites | Material tests | Compression tests | Model tests | Slurries | Ultimate strength | Constitutive relations
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