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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: Inelastic Cyclic Behavior of Dowel Bars
Author(s): Parviz Soroushian, Kienuwa Obaseki, Mohamad Imad Baiyasi, Basheer El-Sweidan, and Ki-Bong Choi
Publication: Structural Journal
Volume: 85
Issue: 1
Appears on pages(s): 23-29
Keywords: beams (supports); columns (supports); connections; cracking (fracturing); cyclic loads; dowels; earthquake-resistant structures; hysteresis; models; reinforced concrete; tests; Structural Research
Date: 1/1/1988
Abstract:Paper summarizes the results of an experimental study on cyclic dowel action of beam longitudinal bars at beam-column interfaces in reinforced concrete frames. The crack patterns and dowel load-deflection diagrams are presented for these specimens with different sizes of dowel bars. Test results indicate that the stiffness and energy dissipation capacity of dowel bars deteriorate severely with repetition of inelastic load cycles. Degradation of strength was, however, observed to be negligible, especially in larger dowel bars. It was also observed that the interface crack grows progressively under inelastic load cycles. An empirical hysteretic model for dowel bars was also derived from the limited test data produced in this study.
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