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PUBLICATIONS

Assessment of Structural Systems Evaluation Methods Based on Local Seismic Demands

Published

Author(s)

Hai S. Lew, S K. Kunnath

Abstract

This paper examines the effectiveness of nonlinear static procedures for seismic response analysis of buildings. Nonlinear static procedures are recommended in FEMA 273 (Guidelines for Seismic Rehabilitation of Buildings) for assessing the seismic performance of buildings for a given earthquake hazard representation. Three nonlinear static procedures specified in FEMA 273 are evaluated for their ability to predict deformation demands in terms of inter-story drifts and potential failure mechanisms. Two steel and two reinforced concrete buildings were used to evaluate the procedures. Strong-motion data recorded during the Northridge earthquake are available for these buildings. The study shows that nonlinear static procedures are not effective in predicting inter-story drift demands compared to nonlinear dynamic procedures. Nonlinear static procedures were not able to capture yielding of columns in the upper levels of one of the selected buildings. This inability can be a significant source of concern in identifying local upper story failure mechanisms.
Proceedings Title
American Concrete Institute; Innovations in Design With Emphasis on Seismic, Wind, and Environmental Loading; Quality Contraol and Innovations in Materials/Hot-Weather Concreting, International Conference | 5th | | ACI
Volume
No. 209
Conference Dates
December 1, 2002
Conference Location
Cancun, MX
Conference Title
American Concrete Institiute (ACI) Special Publications
Pub Type
Conferences

Keywords

dynamic analysis, earthquake engineering, nonlinear static procedures, performance-based design, soft story
Buildings and Construction and Fire

Citation

Lew, H. and Kunnath, S. (2002), Assessment of Structural Systems Evaluation Methods Based on Local Seismic Demands, American Concrete Institute; Innovations in Design With Emphasis on Seismic, Wind, and Environmental Loading; Quality Contraol and Innovations in Materials/Hot-Weather Concreting, International Conference | 5th | | ACI, Cancun, MX (Accessed October 19, 2025)

Issues

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Created December 1, 2002, Updated February 19, 2017
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