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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 Performance of Interior Beam-Column Joints with High-Strength Reinforcement
Author(s): Nicholas J. Brooke, Les M. Megget, and Jason M. Ingham
Publication: Structural Journal
Appears on pages(s): 596-603
Keywords: beam-column joints; bond; high-strength reinforcement; load; reinforced concrete; slippage
Abstract:Four beam-column joint tests were undertaken to assess the accuracy of New Zealand design rules relating to bond strength in beam-column joints when applied to large diameter, high-strength reinforcement. The ratio of longitudinal beam reinforcement diameter to column depth intentionally did not meet the requirements of the New Zealand design standard for any of the units. The units were subjected to cyclic displacements up to interstory drift angles of 5%. Bond failure occurred in two of the four test units, at drift levels exceeding those allowed by international codes. It is believed that the unexpectedly good bond performance of the remaining two units was due to the large excess of vertical joint shear and column moment capacity.
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