Fundamental Properties of Continuous Fiber Bars

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Title: Fundamental Properties of Continuous Fiber Bars

Author(s): Y. Yamasaki, Y. Masuda, H. Tanano, and A. Shimizu

Publication: Special Publication

Volume: 138

Issue:

Appears on pages(s): 715-730

Keywords: bonding; carbon; creep tests; fibers; glass fibers; mechanical properties; modulus of elasticity; pullout tests; tests; reinforcing steels; tensile strength; Structural Research

Date: 9/1/1993

Abstract:
Presents the test results on fundamental mechanical properties of several kinds of continuous fiber bars. Three kinds of fiber materials (carbon, glass, and aramid) have been used. The shape of the deformed bars differed and the diameter was approximately constant (8 mm). Tensile strength, Young's modulus, tensile creep, and pullout bond strength were tested. The main results were that Young's modulus of carbon fiber bars is about two-thirds that of Young's modulus of steel bars, whereas that of glass fiber bars and aramid fiber bars are nearly one-third that of steel bars; also, the initial slip bond stress and maximum bond stress were more likely to differ with the shape of the continuous fiber bars than with the kinds of fiber materials.