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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: Influence of Rib Dimensions of
Reinforcing Bars on Bond and Bendability
Author(s): S. Soretz and H. Holzenbein
Publication: Journal Proceedings
Appears on pages(s): 111-128
Keywords: bending (reinforcing steels); bend tests; bond (concrete to reinforcement) ; bond stress; deformed reinforcement; lugs; pullout tests; slippage.
Abstract:A contribution to the interdependence of bond and bending capacity of ribbed reinforcing bars by means of pullout and rebend tests. Decreasing height of lugs leads to increasing bending capacity; the bond characteristic, however remains unchanged in the practical usable range as long as the lug distance decreases proportionally to the lug height. Transverse ribs binding in the longitudinal ribs lead to the highest bond, but the lowest bending capacity. In the practical used range of 40 to 75 degree the lug inclination has no significant influence on the bond; the bending capacity, however, decreases with increasing inclination of the lugs to the bar axis. The form of the cross section of the lugs changing from a rectangle to a flat trapezoid has no significant influence to the bond; the bending capacity, however, increases significantly.
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