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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 and Anchorage of Bars in Reinforced Concrete Beam-Column Joints
Author(s): T. Kaku and H. Asakusa
Publication: Special Publication
Appears on pages(s): 401-424
Keywords: anchorage (structural); axial loads; beams (supports); bond (concrete to reinforcement); columns (supports); deterioration; joints (junctions); reinforcing concrete; reinforcing steels; Structural Research
Abstract:Bond and/or anchorage performances of longitudinal bars in reinforced concrete beam-column joints were outlined, based on the investigations performed in the United States, New Zealand, and Japan in the past 10 years. The effects of joint size-bar diameter ratio, development length, geometry of bent bar, column axial force, and transverse reinforcement were discussed. The bond deterioration caused such undesirable phenomena as pinching in force-story drift hysteresis curves, increasing the slip deformation at the beam-column interface, changing the shear transfer mechanism in the joint core, and decreasing the flexural strength of the adjoining members. Bars passing through an interior joint and bent bars in an exterior joint were treated separately to make the discussion clear.
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