Monotonic Loading Tests of Ring-Beam Connections for Steel Reinforced Concrete Columns and RC Beams
Publication: Journal of Structural Engineering
Volume 140, Issue 4
Abstract
Many types of connections between steel reinforced concrete (SRC) columns and reinforced concrete (RC) beams have been proposed. These connections are usually difficult to design and complex to construct. This study proposes a new ring-beam connection for SRC columns and RC beams. The force transfer mechanism is as follows. The shear forces and bending moments of the RC beams are first transferred to the ring-beam connections and then to the SRC columns. A series of monotonic bending and shear tests was carried out to verify the applicability and effectiveness of the new ring-beam connections for use in structures. These connections were of two different types: orthogonal and nonorthogonal. Ring-beam connections with appropriate designs are shown to satisfy the strong connection/weak beam requirement. Finally, simple design methods for the longitudinal reinforcements and stirrups of the different elements are proposed based on the test and analysis results.
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Acknowledgments
The authors gratefully acknowledge financial support from the National Key Basic Research Program of China (973 Program) under grant No. 2012CB026204, from the Natural Science Foundation of China under grant Nos. 51178250 and 51261120377, and from the Tsinghua Univ. of China under grant No. 2010Z01001.
References
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 140 • Issue 4 • April 2014
Copyright
© 2013 American Society of Civil Engineers.
History
Received: May 23, 2012
Accepted: Jul 3, 2013
Published online: Jul 5, 2013
Published in print: Apr 1, 2014
Discussion open until: May 2, 2014
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