Seismic Vulnerability Assessment of Modular Steel Buildings

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Seismic Vulnerability Assessment of Modular Steel Buildings

Author: C. D. ANNAN, M. A. YOUSSEF, and M. H. EL NAGGAR | Size: 1.3 MB | Format: PDF | Quality: Unspecified | Publisher: Journal of Earthquake Engineering, 13:1065–1088, 2009 Copyright  A.S. Elnashai & N.N. Ambraseys ISSN: 1363-2469 print / 1559-808X online | Year: 2009 | pages: 25

Contemporary seismic design is based on dissipating earthquake energy through significant inelastic deformations. This study aims at developing an understanding of the inelastic behavior of braced frames of modular steel buildings (MSBs) and assessing their seismic demands and capacities. Incremental dynamic analysis is performed on typical MSB frames. The analysis accounts for their unique detailing requirements. Maximum inter-story drift and peak global roof drift were adopted as critical response parameters. The study revealed significant global seismic capacity and a satisfactory performance at design intensity levels. High concentration of inelasticity due to limited redistribution of internal forces was observed.

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