A Comparison of Straight and Circular Fibers for Concreteby D. A. Gasparini, Case Western Reserve Univ, United States,
Scott Faieta, Case Western Reserve Univ, United States,
Abstract: Two previous studies of concrete reinforced with closed loop fibers are reviewed. Statistical moments of fiber systems are derived, including the expected values of the fiber embedment length, the number of fibers intercepted per unit area and the fiber spacing. Criteria for appropriate closed loop fiber systems are developed. Closed loop fibers with high aspect ratios and relatively large spacing may be most effective. Additional experimental studies are needed.
Subject Headings: Fibers | Fiber reinforced concrete | Reinforced concrete | Embedment | Spacing | Statistics | Comparative studies
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