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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: Compression Field Analysis of Fiber-Reinforced Concrete Based on the Cracked Membrane Model
Author(s): Walter Kaufmann, Jaime Mata-Falcón, and Ali Amin
Publication: Structural Journal
Appears on pages(s): 213-224
Keywords: compression field approaches; fiber-reinforced concrete; in-plane shear and normal forces; load-deformation analysis; plane stress; shear strength
Abstract:Compression field approaches are well-established methods used to analyze the load-deformation behavior of reinforced concrete elements subjected to in-plane shear and normal forces. In this paper, the simplified Cracked Membrane Model, considering rotating, stress-free cracks, is extended to include the effect of fiber reinforcement. The key advantage of the proposed compression field approach is that it yields the most important factors for the design and analysis of fiber-reinforced concrete (FRC)—that is, crack opening and spacing—directly. A solution procedure is developed herein for two practical design cases for webs of girders without conventional shear reinforcement. In both cases, the applied load can typically be increased after cracking even when using strain softening FRC. The model is shown to predict the response of available test data on uniaxially reinforced FRC panels satisfactorily, but fails to capture failures governed by sliding of cracks in elements containing high fiber dosages.
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