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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 Influence on Rotation Capacity of High-Strength and and Normal Strength Beams
Author(s): I. A. E. M. Shehata, L. A. Ventorini, and L. C. D. Shehata
Publication: Special Publication
Appears on pages(s): 231-252
Keywords: bond; continuous beams; high-strength concretes; moment redistribution; normal strength concretes; rotation capacity
Abstract:The characteristics of the steel and the concrete have been changing over the years and this has led to the necessity of new studies on how rotation capacity and the degree of moment redistribution in continuous beams can be affected. Among the factors that have influence on the behaviour of plastic hinges, one could mention the material dependent parameter: steel strength and ductility, concrete strength and bond quality. This work is part of a study on moment redistribution in continuous beams that aimed to verify the effect of bond on the comparisons, normal strength concrete (NCS) beams were also tested. The results of this work have indicated an effect of bond on the plastic rotation capacity of both HSC and NSC beams. As for the plastic hinge length, no effect has been detected, but this should be further investigated.
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