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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: Prediction of the Tensile Strength of Fiber Reinforced Concrete: A Critique of the Composite Material Concept
Author(s): Parviz Soroushian and Ziad Bayas
Publication: Special Publication
Appears on pages(s): 71-84
Keywords: bond stress; composite materials; fiber reinforced concrete; metal fibers; pullout tests; slippage; strains; tensile strength; tension tests; Materials Research
Abstract:The composite material concept is commonly used to predict the tensile strength of fiber reinforced concrete. Application of this concept implies that the fiber pullout resistance is mobilized to a large extent when the peak tensile strength is reached. The validity of this assumption is checked in this paper using the available results of pullout tests on steel fibers and direct tension tests on steel fiber reinforced concrete. The measured values of fiber pullout stiffness and fiber reinforced concrete strain at peak stress are used to derive conclusions regarding the contribution of the pullout mechanism of fibers to the tensile strength of fiber reinforced concrete.
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