Nonlinear Modeling of Flat-Plate Systems
Publication: Journal of Structural Engineering
Volume 135, Issue 2
Abstract
Analytical and experimental studies were undertaken to assess and improve modeling techniques for capturing the nonlinear behavior of flat-plate systems using results from shake table tests of two, approximately one-third scale, two-story reinforced concrete and posttensioned concrete slab–column frames. The modeling approach selected accounts for slab flexural yielding, slab flexural yielding due to unbalanced moment transfer, and loss of slab-to-column moment transfer capacity due to punching shear failure. For punching shear failure, a limit state model based on gravity shear ratio and lateral interstory drift was implemented into a computational platform (OpenSees). Comparisons of measured and predicted responses indicate that the proposed model was capable of reproducing the experimental results well for an isolated connection test, as well as the two shake table test specimens.
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Acknowledgments
The work presented in this paper was sponsored by Phase IV of the Joint CUREE-Kajima Research Program. The writers would like to thank UCLA Ph.D. student Changsoon Rha for his early assistance in developing the OpenSees models for the test specimens. The views expressed are those of the writers, and do not necessarily represent those of the sponsor.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 135 • Issue 2 • February 2009
Pages: 147 - 158
Copyright
© 2009 ASCE.
History
Received: Aug 16, 2006
Accepted: Jul 23, 2008
Published online: Feb 1, 2009
Published in print: Feb 2009
Notes
Note. Associate Editor: Li Bing
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