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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: Review of test data for interior slab-column connections with moment transfer
Author(s): Yan Zhou, Mary Beth D. Hueste
Publication: Special Publication
Appears on pages(s): 141-166
Keywords: Reinforced concrete, post-tensioned concrete, slab-column connections, shear reinforcement, experimental database
Abstract:The two-way shear response of slab-column connections has been evaluated by a significant number of experiments. These experiments provide physical tests to examine and calibrate design methods. This paper documents an updated database of slab-column connection tests in the literature using consistent criteria for selecting key response parameters including the limiting lateral drift capacity and gravity shear ratio. The collected test results include interior reinforced concrete (RC) and post-tensioned (PT) concrete slab-column connections with and without shear reinforcement under combined lateral and gravity shear demands. The laboratory test data and specimen parameters are compared to current ACI design requirements and recommendations and trends are noted. As observed in previous studies, the laboratory test data indicates that the gravity shear ratio has a significant influence on the limiting lateral drift for both RC and PT slab-column connections without shear reinforcement. In general, the presence of shear reinforcement and prestressing improve the lateral drift capacity of slab-column connections. The ACI 318-14 relationship to evaluate the design lateral deformation demand for slab-column connections is reviewed with respect to the updated data. Possible modifications to this relationship for both RC and PT slab-column connections are presented.
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