Experimental Study on the Progressive Collapse Resistance of a Two-Story Steel Moment Frame
Publication: Journal of Performance of Constructed Facilities
Volume 26, Issue 5
Abstract
In this study, the progressive collapse resistance of a two-story steel moment frame was investigated after the sudden removal of a perimeter column in the first floor through an experimental study. Two finite-element models with and without concrete slabs were developed and compared with the experimental results. The results indicate that the numerical model with slabs agrees well with that of the experiment and the concrete slabs play a significant role during the process of load redistribution. After the removal of the column, the partial loads previously carried by the removed column were transferred to its adjacent columns by the slabs. In addition, the concrete slabs and steel beams formed composite beams through shear connectors to resist the loads after the removal of the column. As a result, the stresses in the beams and the vertical displacements above the removed column were reduced significantly.
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Acknowledgments
The writers appreciate the support from the National Natural Science Foundation of China under Grant No. 50708070.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 26 • Issue 5 • October 2012
Pages: 567 - 575
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Sep 19, 2010
Accepted: Sep 15, 2011
Published online: Sep 17, 2011
Published in print: Oct 1, 2012
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