IDA Comparison of IBC-Designed and DDD-Designed Six-Story Light-Frame Wood Buildings
Publication: Journal of Performance of Constructed Facilities
Volume 25, Issue 2
Abstract
The current International Building Code (IBC) allows wood-frame (i.e., light-frame wood) construction to be three stories high or four stories high if sprinklers are included in the design. Several jurisdictions within the United States have opted to allow four and five stories if sprinklers are present. This paper presents a comprehensive numerical analysis of a six-story wood-frame building designed on the basis of the 2006 IBC methodology and a building designed by using the direct-displacement design (DDD) approach. The objectives of the design methods are different and are explained herein. Incremental dynamic analysis (IDA) was used to numerically investigate the response of the buildings on the basis of two criteria: the peak interstory drift and the building’s base shear capacity. Gypsum wall board was included in both models, but exterior finishes (e.g., stucco) were not.
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Acknowledgments
The writers thank Kelly Cobeen, S.E.; and Kimberly Cronin, P.E.; for their work to design the building to the International Building Code standard. Partial support for this study was provided by the National Science Foundation (NSF) Grant No. NSFCMMI-0529903. The work presented is the opinions of the writers and does not represent the views or opinions of the National Science Foundation, Kelly Cobeen, or Kimberly Cronin.
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© 2011 American Society of Civil Engineers.
History
Received: Feb 18, 2010
Accepted: May 9, 2010
Published online: Jun 21, 2010
Published in print: Apr 1, 2011
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