Computational Modeling of Beam-Column Joint with Wedge Effect
Publication: Practice Periodical on Structural Design and Construction
Volume 25, Issue 4
Abstract
This paper presents a precast continuous beam-column joint that bases its structural work on the wedge effect given by the friction between the beam, concrete wedge, and column. It was used in an industrialized social building system with excellent performance and is intended to extend its use to architectural programs for residential buildings, which requires the study of the behavior of the beam-column joint. Computational modeling based on FEM implemented in the software Abaqus, calibrated against full-scale test results, is used. The numerical results showed correspondence with the experimental full-scale test. Using a statistical design of experiment approach, the influence of the axial load and the specified compression strength of the wedge concrete in the bearing load and the friction load were determined, and the percentage of loads that are transmitted by friction and by direct bearing in each area of the joint are reported. Additionally, there is statistical evidence that column axial load contributes to the development of the wedge effect, and the effect of friction on the structural performance of the joint is demonstrated.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request, such as Abaqus result files (.odb).
Acknowledgments
The authors want to thank architect Juan A. Tosca Sotolongo for his valuable contributions to the development of this research.
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Information & Authors
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Published In
Practice Periodical on Structural Design and Construction
Volume 25 • Issue 4 • November 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Dec 9, 2019
Accepted: May 26, 2020
Published online: Jul 22, 2020
Published in print: Nov 1, 2020
Discussion open until: Dec 22, 2020
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