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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: Some Factors Influencing Results Of Pull-Out Bond Tests
Author(s): Carl A. Menzel
Publication: Journal Proceedings
Appears on pages(s): 517-542
Abstract:Data from studies made at the Research Laboratory of the Portland Cement Association, designed to show the effect of some of the many factors influencing the results of pull-out bond tests. It represents a progress report in an extensive investigation of bond resistance. Data presented cover the influence of the following factors on the loads developed in pull-out specimens; type of bar surface, lug on deformed bars, length of embedment, type of position of lug, consistency of concrete, thickness of concrete around the bar, position of the bar with respect to the placing of the concrete, leakage of water from the molds immediately after placing. Results are given for concrete of dif-ferent cement contents and ages at time of test. Load-slip curves are presented based on measure-ments at both the loaded and the free end of the bar. Comparison is given between data from the present investigation and those obtained in earlier studies.
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