Abstract
A graphical interpretation and analysis of pull-out tests is developed to indicate combined effects of factors such as the tensile strength of the fibre and the bond characteristics of the fibre-matrix interfaces on the mode of pull-out failure. In addition to the critical embedment length the significance of two other embedment lengths is shown. One is the minimum length at which a tensile failure of a reinforcing element is not preceded by debonding and the other one is the maximum embedment length at which a complete debonding occurs instantaneously. The graphical analysis is applied to a typical pull-out test result and quantitative values of the ultimate elastic shear bond and the frictional bond are obtained.
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References
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Bartoš, P. Analysis of pull-out tests on fibres embedded in brittle matrices. J Mater Sci 15, 3122–3128 (1980). https://doi.org/10.1007/BF00550385
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DOI: https://doi.org/10.1007/BF00550385