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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: Bond of Ribbed Bars Under High
Cycle Repeated Loads
Author(s): G. Rehm and R. Eligehausen
Publication: Journal Proceedings
Appears on pages(s): 297-310
Keywords: bond (concrete to reinforcement); cyclic loads; deformed reinforcement; fatigue
(materials); pullout tests; reinforced concrete; stresses.
Abstract:To determine the bond behavior of ribbed bars under repeated loads, 308 pullout specimens were tested. The specimens failed by pulling out of the bars. In the tests the following parameters were varied: maximum load and load amplitude, bar diameter, concrete quality, and bond length. Furthermore, as a comparison, tests under sustained load were carried out. A repeated load has a similar influence on the bond as on the deformation and failure behavior of unreinforced concrete, and it accelerates, in comparison with a sustained load, the nonelastic deformation (slip).
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