Dynamic Shear and Axial-Load Failure of Reinforced Concrete Columns
Publication: Journal of Structural Engineering
Volume 134, Issue 7
Abstract
Reinforced concrete columns with light transverse reinforcement may be susceptible to shear and subsequent axial-load failures during strong earthquake ground shaking. An experimental program examined the behavior of two half-scale, one-story frames with axial loads representative of those expected for the lower story of a multistory building. The frames were subjected to unidirectional simulated earthquake motion applied at the base. Shear failures of an interior column led to axial-load failure and redistribution of internal forces to adjacent framing components. Recorded data illustrated the details of the shear and axial failures and the redistribution to adjacent components. This paper discusses the global response of the frames and the shear and axial-load response of the shear-critical interior column.
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Acknowledgments
This work was supported in part by the Pacific Earthquake Engineering Research Center (PEER) through the Earthquake Engineering Research Centers Program of the National Science Foundation under Award No. NSFEEC-9701568. This support is gratefully acknowledged. The experimental studies were conducted in the research laboratories of PEER at the University of California, Berkeley, Calif.
References
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 134 • Issue 7 • July 2008
Pages: 1189 - 1198
Copyright
© 2008 ASCE.
History
Received: Nov 15, 2006
Accepted: Jul 23, 2007
Published online: Jul 1, 2008
Published in print: Jul 2008
Notes
Note. Associate Editor: Dat Duthinh
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