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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: Drift Capacity of Reinforced Concrete Columns Subjected to Cyclic Shear Reversals
Author(s): S. Pujol, J. A. Ramfrez, and M. A. Sozen
Publication: Special Publication
Appears on pages(s): 255-274
Keywords: columns; drift; ductility; earthquake; load reversals; reinforced concretes; shear strength; yield displacement.
Abstract:The current seismic design philosophy allows nonlinear behavior of the structure to reduce strength requirements. This implies that the structure must be able to retain its integrity under cycles of displacement into the nonlinear range. The structure has to be tough. Evaluation of experimental results from 15 series of tests reported by various investigators has shown that the limiting drift capacity of a reinforced concrete column proportioned to resist earthquake effects through energy dissipation in the nonlinear range of response may be determined simply by considering two parameters: 1) the aspect ratio, and 2) the transverse reinforcement index.
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