Uni- and Bi-Axial Compressive Fatigue of Fiber Concreteby W. S. Yin, Univ of Houston, United States,
Thomas R. C. Hsu, Univ of Houston, United States,
Abstract: Fatigue behavior of fiber reinforced concrete is studied under uniaxial and biaxial loadings. The S-N curves and the cyclic deformations of fiber concrete are compared to those of plain concrete. It was found that the S-N curve of fiber concrete is a straight line from 1 to 1 million cycles, rather than a curve which can be approximated by two straight lines as in plain concrete. The addition of fibers to concrete increases the fatigue life as well as the ductility, while the failure mode remains the same.
Subject Headings: Failure analysis | Fatigue tests | Load tests | Fiber reinforced concrete | Curvature | Fatigue life | Material failures
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