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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: Seismic Design Method for Reinforced Concrete Two-Way Column Hinges
Author(s): Zhi-Yuan Cheng, M. Saiid Saiidi, and David Sanders
Publication: Structural Journal
Appears on pages(s): 572-579
Keywords: dowel action; lateral loading; plastic hinge length; reinforced concrete; seismic loads; shear capacity; slip; two-way hinges
Abstract:The shear capacity of two-way reinforced concrete hinges is currently determined using the shear friction method, even though the behavior of these hinges under lateral load is dominated by flexural deformations. To develop a more rational method for estimating the shear capacity of two-way hinges, data from shaketable testing of five one-third scale reinforced concrete bridge column models with two-way hinges were used. The proposed method was evaluated for 10 other piers that incorporated two-way hinges at the base. It was found that the proposed method leads to a much closer correlation with the test data and smaller scatter. A design example was used to illustrate the application of the proposed method. Based on the experimental data, a nonlinear shear-slip relationship and an equation to calculate the plastic hinge length at hinges were also proposed for application in the nonlinear analysis of bridges incorporating two-way hinges.
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