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Vulnerability evaluation and seismic rehabilitation of steel building with semi-rigid connections (Case study - tehran)

Author: H. Shakib ; S.Dardaei2; M.Pirizadeh ; A.Moghaddasi | Size: 374 KB | Format: PDF | Quality: Unspecified | Publisher: The 14 th World Conference on Earthquake Engineering October 12-17, 2008, Beijing, China | Year: 2008 | pages: 10

In this paper, the seismic rehabilitation of a steel building with semi-rigid connections in Tehran is presented. This
building with 19 stories in three blocks and an asymmetric plan has been constructed 30 years ago. First step of the
rehabilitation study includes qualitative vulnerability evaluation which indicates that the building has heavy seismic
vulnerability potential. In the second step, quantitative vulnerability of the structure according to FEMA 356
guideline is evaluated. The results showed that the building is resistant enough against gravity loads but not safe
enough for seismic loads. Finally, two seismic retrofitting plans consisting of concrete shear walls and steel shear
walls are proposed. Comparison of retrofitting plans of the building from seismic performance, architectural and
implementation aspects showed that the concrete shear walls plan is the superior choice.

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